Lung cancer is the uncontrolled growth of abnormal cells in one or both lungs. These abnormal cells do not carry out the functions of normal lung cells and do not develop into healthy lung tissue. As they grow, the abnormal cells can form tumors and interfere with the functioning of the lung, which provides oxygen to the body via the blood.

Lung cancer is the most common cause of death due to cancer in both men and women throughout the world. According to the U.S. National Cancer Institute, approximately one out of every 14 men and women in the U.S. is diagnosed with cancer of the lung at some point in their lifetime. Lung cancer is predominantly a disease of the elderly; almost 70% of people diagnosed with lung cancer are over 65 years of age, while less than 3% of lung cancers occur in people under 45 years of age.

What Causes Lung Cancer?

The development of lung cancer is strongly associated with cigarette smoking, approximately 90% of lung cancers are attributable to use of tobacco. Pipe and cigar smoking can also cause lung cancer, but the risk is not as high as with cigarette smoking. Tobacco smoke contains more than 4,000 chemical compounds, many of which are cancer causing (carcinogens). Passive smoking, i.e. the inhalation of tobacco smoke by non-smokers who live or work with smokers, is also an established risk factor for the development of lung cancer.

Genetic susceptibility (i.e. family history) may play a role in the development of lung cancer. Other causes of lung cancer include air pollution (from vehicles, industry, and power generation) and inhalation of asbestos fibres (usually in the workplace).

Lung Cancer Symptoms

Early symptoms and signs of lung cancer

There may be no symptoms at the onset of the disease. When present, common symptoms of lung cancer may include:

Coughing: This includes a persistent cough that doesn't go away or changes to a chronic smoker's cough, such as more coughing or pain.
Coughing up blood: Coughing up blood or rust-colored sputum (spit or phlegm) should always be discussed with your doctor.
Breathing Difficulties: Shortness of breath, wheezing or noisy breathing (called stridor) may all be signs of lung cancer.
Loss of Appetite: Many cancers cause changes in appetite, which may lead to unintended weight loss.
Fatigue: It is common to feel weak or excessively tired.
Recurring infections: Recurring infections, like bronchitis or pneumonia, may be one of the signs of lung cancer.
Signs of advanced stages of lung cancer

Advanced stages of lung cancer are often characterized by the spread of cancer to distant sites in the body. This may affect the bones, liver or brain. As other parts of the body are affected, new lung cancer symptoms may develop, including:

Bone pain
Swelling of the face, arms or neck
Headaches, dizziness or limbs that become weak or numb
Jaundice
Lumps in the neck or collar-bone region
Treatment

Treatment for cancer involves a combination of surgery to remove cancer cells, chemotherapy and radiation therapy to kill cancer cells. Lung cancer is incurable unless complete surgical removal of the tumour cells can be achieved. Surgery is the most effective treatment for lung cancer, but only a few percentage of lung cancers are suitable for surgery i.e. Stage I and II NSCLC and cancer that has not spread beyond the lung.

Radiation therapy may be used for both NSCLC and SCLC and is a good option for people who are not suitable for surgery or who refuse surgery. Chemotherapy is used for both NSCLC and SCLC. Chemotherapy drugs may be given alone or in combination with surgery or radiation therapy. Chemotherapy is the treatment of first choice for SCLC since it has usually spread extensively in the body by the time it has been diagnosed.

Also used in the treatment of lung cancer are targeted therapies. These are drugs (gefitinib and erlotinib) or antibodies (cetuximab, bevacizumab) that block the growth and spread of cancer by interfering with specific molecules involved in tumor growth and progression. They are used in some patients with NSCLC that does not respond to standard chemotherapy.

Lung Cancer: Causes, Symptoms and Treatments

Lung cancer is caused by disorderly growth of uncommon cells which line the air passage, usually starting off in a single or both lungs. The irregular cells do not mature into healthy lung tissue but instead divide speedily and result in tumor formation.

Causes behind lung cancer:

Smoking: This is considered as the most significant source of lung cancer. As reported by multiple researches and studies, cigarettes contain over 4,000 chemicals, most of which are cancer causing agents. Active smoking is one of the major causes of lung cancer but what may come to you as a surprise is that extended periods of passive smoking is also a major factor.
Pollution and Exposure: There is high risk of lung cancer development when there is occupational exposure to pollution by chemicals released from industrial factories. Chemical exposure of this kind refers to prolonged exposure over quite few months or years. Some examples of these chemicals are asbestos, diesel exhaust among many others.
Radioactive Gas: Radioactive gases naturally occur in small masses present in all soils and rocks. However, if you breathe in radioactive gases your lungs will damage and may cause the development of abnormal tissue which can cause lung cancer.
Family history: A family history of cancer, especially lung cancer will also put you at high risk of developing lung cancer.
Treatment methods of lung cancer:

Chemotherapy: Chemotherapy is a method in which drugs are injected through veins in your arm (intravenously) or orally or in a combination of both. These drugs kill cancer cells and help to stop it from spreading any further as well.
Clinical Trials: These trials are experimental lung cancer treatment studies. You may have to try out this clinical therapy if other treatment methods aren t working and only if you are accepted into it.
Surgery: A surgeon will help remove affected areas of the lung including cancerous tumors via surgery. The surgeon may need to remove parts of the lung along with the cancerous growth. In certain cases, one side of the lung may also be completely removed to stop the spread of the malignant tissue.
Radiation Therapy: This is a therapy where high energy electromagnetic waves are passed through your body to destroy cancer cells with the help of high-powered energy beams.
Can you prevent lung cancer?

Nutrition -- A  healthy diet with lots of fruits and vegetables may also help reduce your risk of lung cancer. Some evidence suggests that a diet high in fruits and vegetables may help protect against lung cancer in both smokers and non-smokers. But any positive effect of fruits and vegetables on lung cancer risk would be much less than the increased risk from smoking.
Exercise -- Even moderate amounts of exercise can aid in lung cancer prevention. Studies suggest that even something as simple as gardening twice a week is associated with a lower risk of developing lung cancer.
Smoking Habits -- If you stop smoking before a cancer develops, your damaged lung tissue gradually starts to repair itself. No matter what your age or how long you ve smoked, quitting may lower your risk of lung cancer and help you live longer. 
Avoidance of Air Pollution -- Long-term exposure to ambient air pollution and, in particular, particulate matter with absorbed polycyclic aromatic hydrocarbons and other genotoxic chemicals has been suspected to increase the risk for lung cancer. So, avoid air pollution as much as possible.

Lung Cancer - Ways You Can Prevent It!

Fibroadenomas are benign non carcinogenic tumors that occur in the breasts of women. Although the condition may affect females of any age; spanning from pubescent girls to middle aged ladies, yet it is most commonly diagnosed in young women below 30 years of age. Fibroadenomas can be described as a stiff, smooth, supple marble under the skin of your breasts, which move when touched. These tumors which occur in varied sizes, may shrink or expand with time. Diagnosing through biopsies and treatment by surgeries are commonly employed for such a condition.

Types of fibroadenomas
Fibroadenomas are of two types: simple fibroadenomas and complex fibroadenomas. The simple tumors are usually harmless and almost look the same under the lens of a microscope. On the other hand, the complex tumors are comprised of macro cysts (large fluid-filled sacs) and calcifications (deposits of calcium) which can slightly increase the chance of breast cancer.

What is the primary cause of fibroadenomas?
Doctors aren't able to pinpoint the chief cause of fibroadenomas, but they have reasons to believe that the condition may pertain to the reproductive hormones. The condition may occur during pregnancy or during the use of hormone therapy, owing to which, the tumors may increase in size. The tumors are usually seen to shrink postmenopause, when the hormone levels start to dwindle.

Fibroadenomas are apparent and you may be able to detect them even without a doctor. The marble like tumor within your breasts are usually:
1) painless
2) firm
3) rubbery and elastic
4) easily movable

These tumors can range from being too small to as big as 3 inches or more in diameter. These lumps, which are usually harmless may be a cause of concern if they start to grow or change. Consulting a doctor is duly advised in such cases.

Risks
Fibroadenomas, only in the rarest cases, increase the likelihood of breast cancer. A complex fibroadenoma comprising of cysts or thick tissues called calcifications may aggravate your condition. Causes of concern could be if the tumor pains, a family history of cancer or an event of a questionable biopsy report.

Causes and Symptoms of Fibroadenomas

While you cannot cure breast diseases, family history and maturing, but there are some hazards or risks that you can control. Keeping in mind the fact that there is no certain approach to forestall breast cancer, there are things you can do that may bring down the hazard. Here are five approaches to ensure your breast's well-being:

Watch your weight: Being overweight or hefty expands breast cancer chances. This is particularly true after menopause and for women who have put on weight as grown-ups. After menopause, the vast majority of your estrogen originates from fat tissue. Having more fat tissue can heighten your chances of getting breast cancer by raising the estrogen levels. Additionally, women who are overweight have a tendency to have more elevated amounts of insulin, than other hormones. Higher insulin levels have been associated with a few tumors, including breast cancer.
Exercise routinely: Many reviews have found that exercise is the sign of having a healthy breast. Studies show that one to two hours of energetic walking each week, lessened a woman s cancer risk by eighteen percent. Walking ten hours seven days decreased the hazard all the more.
Constrain liquor: Women who have two to five mixed beverages every day have a higher danger of breast cancer than women who have just one drink a day or none . As much as three to six glasses of wine seven days have been found to somewhat increase breast cancer chances. It is not clear how or why liquor raises the hazard. In any case, constraining liquor is particularly essential for women who have other hazard variables for breast cancer, like, breast cancer running in their families.
Restrain time spent sitting: Research has shown that sitting time, regardless of how much exercise you get when you are not sitting, increases the probability of growing cancer, particularly for women. Women who sit six hours or more a day outside of work have a ten percent more serious risk for breast cancer compared to the ladies who sit under three hours a day, and an increased hazard for other cancer types as well.
Stay away from or confine hormone substitution treatment: Hormone Replacement Treatment (HRT) was utilized frequently in the past to control night sweats, hot flashes, and other troublesome manifestations of menopause. In any case, specialists now realize that postmenopausal ladies who take a blend of estrogen and progestin might probably create breast tumors or cancer. Breast cancer disease seems to come back within five years in the wake of ceasing the blend of hormones. Therefore, get a breast cancer test even if you feel a small lump.

5 Ways to Decrease The Chance of Breast Cancer 

The incidence of pain and lumps in the breast is on the rise. Breast cancer has grown in incidence over the years. More women are getting diagnosed with it, and the age at which they are being diagnosed has reduced too. Therefore, preventative checks and screenings have gone up significantly. The number of women diagnosed with small lumps has gone up drastically. The good thing is that since these are diagnosed in the early stages, the treatment is simpler and the prognosis far better than women who get diagnosed much later in life.

In a majority of cases, once a lump is identified the most preferred treatment is removal. This is known as lumpectomy. However, before a final decision is made to remove the lump, there are certain tests that are run by the doctor to confirm the diagnosis and extent of spread.

A thorough breast exam to identify if this is an isolated lump or if there are more lumps in either breast. The exact shape and size of the lump also need to be identified so that treatment can be planned accordingly.
Imaging to see if the lymph nodes have been involved. In most cases, there could be spread to the lymph nodes in the armpits which also need to be removed if required. If the lump is too big or too many in number, then a mastectomy may be required instead of a lumpectomy. This requires removal of the entire breast tissue on one or both sides (rarely) along with involved lymph nodes.
Pre-surgery: Once the diagnosis is confirmed, then the doctor will plan treatment. Prior to the surgery,

Talk to your doctor about your other medical conditions and medications and allergies, if any
Gynecologic history is very important to be discussed in detail
Blood thinners have to be stopped prior to the surgery
Post-surgery care needs to be planned, including a caretaker for a few days and postop care
During surgery:

Lumpectomy or mastectomy is often done under general anaesthesia
This requires hospitalization and carries the risks associated with anaesthesia
The outlined breast tissue or complete breast and surrounding lymph nodes will be removed. The area will be closed using sutures and bandaged
Post-surgery:

The wound needs to heal, and so postop care is very important
For the first few days, painkillers and antibiotics are used to control pain and infection
As a follow-up, some women may require radiation therapy to contain the suspicious tissue that may be left behind after lumpectomy
If extensive breast tissue was removed, some women may prefer to have reconstructive surgery done
Remember that lumpectomy is not a definitive procedure, and there could be cases that require a repeat operation
Advantages:

Less invasive compared to a mastectomy
The appearance of the breast is minimally affected, and symmetry is maintained
Disadvantages:

May not ensure complete removal
May require additional radiation therapy
May require repeat surgery

Surgical Treatment For Pain And Lumps In Breasts Of Women!

A mammogram is an imaging test where an X-ray is taken to recreate the internal imagery of your breasts. This is a screening test that is widely used to find the earliest signs of cancer. There have been instances where the early signs of cancer have been found up to three years before the actual development of the same. There are a number of benefits and risks in this screening method. So let us find out more about getting a mammogram, and whether or not you should get one.

    Procedure: A special X-ray machine is used for conducting a mammogram. There is a clear plastic plate on which the specialist will place the breast while another plate will press on the breast from above. While both the plates serve to flatten the breast and hold it still, the X-ray will be taken. Some pressure will be felt and the same steps will be repeated so as to get the side view of the breasts. The same procedure will be repeated for the other breast. Meanwhile, once it is done, you will need to wait so that the technician can check for clarity, and whether or not the procedure needs to be done again. The results of this procedure cannot be relayed by the technician, and all the images will be different because all breasts are slightly different from each other.
    Preparation: You will need to remember that the process can be a slightly painful one, especially once the pressure gets applied. Many women complain of discomfort and pain. Yet, this discomfort gets over before you know it. The pressure and pain will depend on the size of your breasts and how much they will have to be pressed in order to get a picture. The skill of the technician will also come into play here. One must remember not to get this procedure done a week or so before or after the menstrual cycle, as the breasts tend to be tender around this time, and the pain will be much more.
    Radiologist: Within a few weeks after the procedure, the radiologist will usually deliver the result. This is the professional who does an accurate reading of the X-ray.
    Normal and Abnormal Readings: If your mammogram result has a normal reading, then you can resort to getting one done every once in a while. But an abnormal reading will require further X-ray and tests so as to be able to tell for sure.
    Why should I get one: If you are over 40 and have a family history of such ailments, then you will have to get a mammogram done regularly.

Should You Get a Mammogram?

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