Cluster 53: diverticulosis crohns colitis diarrhea ulcerative enroll gi disease inflammatory bowel Cluster 605: colitis ulcerative crohns disease gastrointestinal inflammatory bowel history active chronic Cluster 1296: crohn colitis ulcerative disease inflammatory bowel active gastrointestinal documented resection Cluster 1592: crohns colitis ulcerative disease bowel inflammatory documented active prior history Cluster 1751: coloproctitis hemorrhagic crohn diseases gastrointestinal colitis ulcerative irritable alter including