Submucosal elevation of 0.3 cm in size at the fundus and body of the stomach can be caused by many reasons, including benign lesions, such as gastric polyps, and malignant lesions, such as gastric cancer.
1. Benign lesions: usually in the fundus of the stomach and the body of the stomach, there is a 0.3 cm size submucosal elevation can be seen in benign lesions, such as the main common gastric polyps, usually the patient can have gastric distension and stomach pain, acid regurgitation and belching (burping) and other indigestion manifestations. Some patients do not have any clinical manifestations and can be cured by surgical resection.
2. Malignant lesions: a few patients have 0.3 cm size submucosal elevation in the fundus and body of stomach, which can be seen as malignant lesions, such as gastric cancer, as well as metastatic foci of some malignant tumors other than gastric cancer, such as hepatocellular carcinoma, intestinal carcinoma, lymphatic carcinoma and so on, in the stomach.
Patients may have symptoms such as abdominal distension and pain accompanied by black stools, decreased appetite, loss of weight and fatigue, and mental depression. Surgical resection can be chosen in the early stage, and radiotherapy and chemotherapy can be chosen in the middle and late stages.
Gastric fundus, gastric body can be seen a 0.3cm size submucosal bulge should be taken as early as possible biopsy to clarify the type of lesion, and give standardized treatment.