Dear Doctor, My elder sister has been suffering from Lung Cancer. Her age is 40 years old. We are from Bangladesh. Now doctor has advised for chemotherapy treatment of six month. Doctor's advice is given bellow. Tissue Biopsy: Specimen labelled as tissue from collapsed lung (core biopsy: Malignant lesion, histological consistent with adenocarcinoma. Advice: Immunihistochemistry for TTF-1, CK-7, CEA, CK-20 and synaptophysin for further confirmation. Plan of Treatment: Palliative systemic chemotherapy with affordable schedule (pemetrexed+Platinum or Taxene+ platinum) depending on her financial issues. Now sir will you please tell me about my sister is now in which stage/level of cancer and is she can be cured by giving chemotherapy and live a healthy lives.