Q: Why do I need chemotherapy for lung cancer? A: In order to prevent weeds from growing back, pesticides are used to remove both crops and weeds from the self-sustaining land; failure of chemotherapy is marked by ruined crops and weeds; Q: Can I recover after chemotherapy? A: Success if the crops grow up first, failure if the weeds grow up first. Q: How many stages of lung cancer have you reached? A: According to the film you sent, at present, we can only determine that the lung is diseased, as to where its descendants do the moving train to run, we must check the whole body, starting from the nearest train station (lung door and mediastinal lymph nodes), all the way to the train terminal (brain, bone, adrenal gland, liver)