1. Pulmonary symptoms: cough, sputum, hemoptysis, chest pain, chest tightness, dyspnea, etc. 2. Esophageal symptoms: dysphagia, painful swallowing, choking on food, acid reflux, regurgitation, belching, eructation, epigastric pain, etc. Second disease 1, lung diseases: lung cancer, benign lung tumors, pulmonary alveoli, spontaneous pneumothorax, etc. Song Fujie, Department of Thoracic Surgery, Coal General Hospital 2, esophageal diseases: esophageal cancer, cardia cancer, gastroesophageal reflux disease, etc. 3. Mediastinal diseases: thymoma, teratoma, neurofibroma, etc. 4. Chest wall diseases: chest wall mass, costochondritis, chest wall tuberculosis, chest wall infection, etc. 5. Chest trauma: rib fracture, hemothorax, pneumothorax, lung contusion, diaphragmatic hernia, etc. 6. Pleural diseases: pleural effusion (pleural fluid), pleural mesothelioma, pleural metastases, etc.