Falling of hair is not the symptom of cancer
. It can be caused by some chemotherapy
drugs, which is also temporary. Cancer can present as lump, ulceration, abnormal bleeding from anywhere, weight loss
, abnormal bleeding or periods etc it depends on area effected. As a female you should go for monthly self breast examination
five days after the periods are over and be aware of any abnormal symptoms which is not going after routine medication then you must consult your doctor.