Diagnose anal fissure last year. Ct w rectal contrst last year ok. Feel presur in anal &low back. Need pass stool but rectum empty. Fisure? Ibs? Consption?

A CT isn't the. best tool to diagnose an anal fissure. Are you having any bleeding? Does pain get worse with BMs? Straining? Constipation? Your symptoms could be from hemorrhoids, persistent anal fissure, constipation, colonic inertia, IBS or IBD. You need to see a primary care doctor and possibly GI. Good luck!