Indistinct pain in the left lower abdomen, borygmus, desire to defecate

The patient experienced left lower abdominal pain and bowel sounds with intention of defecation. It was considered that he suffered from acute and chronic gastroenteritis, ulcerative colitis and other diseases, resulting in such symptoms. It was suggested to go to the hospital for colonoscopy, blood routine examination and stool routine examination to determine the cause of the disease hormone.