Pancreatic tail low density shadow, tumor markers are normal, whether there is something still need to do further investigation, through the enhancement of the examination to consider cysts or lipomas, there is no problem; through the enhancement of the examination belongs to the soft tissue mass, there is something wrong with the situation. 1. Low-density lesions in the tail of the pancreas, no enhancement of the lesion itself through the enhanced examination, manifested as liquid or fat density shadow, belonging to the possibility of cysts or lipomas, basically there is no big problem. 2. Low-density lesions in the tail of the pancreas, through further examination, are found to be mildly intensified lesions, although the tumor markers are normal, they may still belong to pancreatic cancer, which belongs to a more serious condition; some of them are obviously intensified, accompanied by the symptoms of hypoglycemia, which may be islet cell tumors, which also belongs to the problematic ones. If a low density lesion is found in the tail of the pancreas and the tumor marker is normal, further examination is needed to determine the status of the lesion, and after the diagnosis of the disease is confirmed, standardized treatment should be carried out under the guidance of the clinician.