Some mid-stage lung adenocarcinomas can be clinically cured. The specific treatment effect varies from person to person. Intermediate lung adenocarcinoma generally refers to some lung adenocarcinoma stage II and lung adenocarcinoma stage III, and the main symptoms of patients are hemoptysis, dyspnea, chest pain, etc. Some of the patients may also have hoarseness, dysphagia, pleural effusion, etc. If found at an early stage and completely resected, lung adenocarcinoma can be clinically cured with chemotherapy. If early detection of lung cancer undergoes radical lung cancer treatment, if complete resection of lung cancer can be achieved and postoperative adjuvant chemotherapy-based comprehensive treatment, including chemotherapy, radiotherapy, targeted therapy, immunotherapy, etc., the 5-year survival rate of patients with intermediate stage of lung cancer can reach more than 60%. Some patients can even achieve clinical cure. Patients should go to regular hospitals in time and receive standardized treatment under the guidance of doctors to prolong the survival cycle and improve the quality of life.