Lung adenocarcinoma has no obvious clinical symptoms in early stage, and chest symptoms such as dry cough, chest pain and shortness of breath may appear with the progress of disease. Lung adenocarcinoma late stage symptoms are hoarseness, face and neck edema, shortness of breath, pleural effusion, abdominal pain and so on. Early stage of lung adenocarcinoma has no special symptoms, and with the progress of the disease, it may show symptoms common to general respiratory diseases, such as dry cough, chest pain, shortness of breath and sputum and blood, which are easy to be ignored. Some patients may also suffer from shoulder and back pain, hoarseness and other symptoms. Lung adenocarcinoma is a kind of lung cancer, which comes from the glands of bronchial tubes or bronchial epithelium. Lung adenocarcinoma symptoms in advanced stage may vary according to the different physique of patients. Pain is a symptom often shown by advanced stage patients, and hoarseness, face and neck edema, shortness of breath, pleural effusion and so on will also be among the advanced symptoms of lung adenocarcinoma. In addition, symptoms related to distant metastasis, such as liver metastasis, abdominal pain, poor diet, etc., may also appear. If patients have the above symptoms, it is recommended to go to regular hospitals for examination and standardized treatment in time to avoid deterioration of their condition.