Pancreatic lesions are not necessarily cancer, but may also be infectious lesions or physicochemical lesions. Pancreatic lesions refer to lesions in the cardia area, which may be caused by inflammation stimulation, resulting in redness, swelling and roughness of the mucous membrane in the cardia area, and may be caused by stimulation of physicochemical factors, such as symptoms caused by prolonged consumption of spicy and stimulating foods or overheated foods. In addition, lesions in the cardia area may be cancerous, i.e. cardia cancer, and generally with the gradual progress of the disease, the clinical symptoms will become more and more obvious, and the tumor foci will gradually increase in size. It is not possible to diagnose lesions in the cardia simply by symptoms, and you should actively cooperate with doctors to take treatment. If there is a tumor, it is necessary to take pathological biopsy to determine the benign or malignant nature, and then cooperate with doctors to take treatment after the diagnosis is confirmed.