Did a little homework for you..hope it helps.
Distal sigmoid...lowest part of the sigmoid
Distal colitis...lowest part of the colon which would include the rectum/sigmoid
Tubular appearance....smooth and round or tubular without lots of "structure"
Bland ... without symptoms or asymptomatic
Decreased vascular pattern ... normal vascular pattern isn't visible
http://www.endoatlas.com/ib_uc_01.html
Burned out (Burnt out)... distensible (can stretch and expand) but without haustral markings...meaning without the pouchy appearance ( ) looks more like more like|| ...chronic/advanced/been around for a long while
quincy