Stage III esophageal cancer is not advanced stage, its belongs to middle-late stage. Esophageal cancer is generally categorized into Stage I, Stage II, Stage III and Stage IV according to the situation. Stage III is often called the middle-late stage of esophageal cancer, while stage IV is called the late stage of esophageal cancer. Patients with stage III esophageal cancer usually have symptoms such as burning pain behind the sternum, more serious difficulty in swallowing and coughing up mucus-like sputum when swallowing food. Patients with stage III esophageal cancer can eliminate cancer cells through radiotherapy, chemotherapy and endoscopic resection, etc. Patients should actively cooperate with doctors to control the metastasis and spread of cancer cells. Meanwhile, after the treatment is completed, pay attention to the diet and consume light diet. Intake the nutrients needed by the body and go to the hospital for regular review. If the patient is in stage III of esophageal cancer, professional treatment should be carried out under the guidance of doctor.