Symptoms of sternal tumor are related to the nature, size and stage of the tumor, etc. Generally, the main symptoms include local symptoms such as chest pain and lumps, systemic symptoms such as low fever and emaciation, or symptoms caused by primary tumor. There are benign and malignant sternal tumors, and malignant tumors are divided into primary and metastatic. 1. Local symptoms of sternum mainly include sternal pain, visible lumps in sternum, etc. Generally, large benign tumors and primary tumors of sternum can show these symptoms, and primary tumors of sternum also have symptoms of bone destruction and sternal fracture, while small benign tumors of sternum usually have no symptoms. 2. Systemic symptoms mainly include low fever, emaciation, generalized fatigue, etc. Generally, advanced malignant tumors of sternum often have these symptoms. 3. Metastatic sternal tumors, such as cough, chest tightness, hemoptysis, dyspnea and other symptoms of lung cancer, progressive dysphagia, acid reflux and heartburn of esophageal cancer, and urination difficulty of prostate cancer.