What Could Be Causing My Persistent Pelvic Pain, Cramping, And Bloating?

I have had months of pelvic pain, cramping, bloating. Pain is dull, and usually on lower left but occasionally elsewhere as well. CT scan without contrast was unremarkable. Positive cologuard which led to colonoscopy. Had 6 large polyps removed - 1 piecemeal and pathology shows the large ones were high grade dysplasia adenomas. Dr. wanted repeat colonoscopy a month later. No polyps found biopsies taken around site of prior piecemeal removal - awaiting results. Also had endoscopy which did not show anything significant.