Inflammation of a diverticulum. Can be either a chonic discomfort or potentially lethal.
sometimes but not always surgically correctivle.
diverticulum
n.,
pl. 3la 73l!8 5L diverticulum, var. of deverticulum, a bypath < devertere, to turn aside: see DE3 & VERSE6Anat. a normal or abnormal pouch or sac opening out from a tubular organ or main cavity