Hello, The pain in the groin prior to massage or after - it should be due to diverticulitis as you mention. If you can understand what is diverticulitis - that will explain the cause for your present problem. Diverticulitis is the formation of pouches (diverticula) within the bowel wall, typically occurs within the large intestine, or colon, although it can occasionally occur in the small intestine. cause: Raised intraluminal colonic pressures and lack of dietary fiber. Till colonoscopic confirmation Antibiotic can be taken, along with investigations like TC, DC, ESR, Hb, Mx, X-Ray Chest and USG abdomen. Most cases of simple, uncomplicated diverticulitis respond to conservative therapy with bowel rest and antibiotics. Surgery is not indicated for you why because, surgery is decided by the stage of the disease, the age of the patient and his or her general medical condition, as well as the severity and frequency of attacks or if the symptoms persisted after a first acute episode. I wish you a normal colonoscopic report. Best wishes