Chest and esophageal pain is pain behind the sternum of the chest, the specific reasons are as follows: 1, lung disease; 2, heart problems can also occur chest pain; 3, acid reflux to the esophagus, reflux esophagitis can occur, because nerve irritation will cause pain, this pain mainly occurs behind the sternum, simple understanding is pain behind the sternum or chest; 4, tumors, especially malignant tumors, the most common is esophageal cancer. If the tumor increases to a certain degree and involves the surrounding organs, pain will appear at this time. Early malignant tumors often have no symptoms or no specific symptoms, and as the tumor increases, the symptoms will appear. Often when there are symptoms, especially malignant tumors, if painful symptoms appear, the treatment is often late at this time.