I had the same diagnosis re long, redundant , twisty colon and had awful constipation for my entire life. Colonoscopies were a nightmare back in the day when you were lucky to get a Valium. I am 62. 2 1/2 years ago I had a bowel obstruction from a cecal volulous and had to undergo emergency surgery (right hemicolectomy) to remove all of the ascending colon and then some. About 2 feet. It's been a long, hard recovery but with a good doctor, I've done pretty well with the bowel problems. Have been constipated twice since surgery. My colon had a rotated cecum-- rare, congenital bowel malformation that no test can detect unless you obstruct. The surgery itself is an awful recovery but, I'm grateful to be alive since the mortality rate for a cecal volvulus is high. I don't know if the rotated cecum has anything to do with the colon being extra long and twisty.