The manifestations of lung cancer in the week before death in late stage. Patients with lung cancer in late stage can have lung cancer manifestations, such as coughing, coughing sputum, chest pain, coughing blood and other symptoms. Metastasis outside the lung can cause different clinical manifestations of important organs such as liver and brain, such as metastasis to liver can cause liver enlargement and ascites; metastasis to brain tissue can cause nausea, vomiting and other manifestations of increased intracranial pressure. Lung cancer can metastasize to the whole body through bloodstream metastasis and cause generalized pain, which is very painful for patients at this time. Due to the consumption of tumor toxins, it can cause cachexia and progressive wasting and malnutrition. Patients with advanced lung cancer can also have serious complications, such as prolonged bed rest can cause stress ulcers and ulcer rupture can cause gastrointestinal bleeding.