A complicated case of diveicular disease is defined as diveicula with?

.DIVEICULAR DISEASE OF THE COLON * They are acquired herniations of colonic mucosa through circular muscles at the points where blood vessels penetrate (points of least resistance). * It is more commonly localised to sigmoid colon (90%) but occasionally seen in full length of the colon. Rectum is not affected. saint's triad (5%) includes *Diveiculitis *Hiatus hernia *Gallstones.Complications of diveiculitis * Perforation and pericolic abscess or peritonitis * Progressive stenosis and intestinal obstruction * Profuse colonic haemorrhage (17-20%) * Fistula formation (5%)--vesicocolic, vaginocolic, enterocolic, colocutaneous. ref:SRB&;s manual of surgery,ed 3,pg no 820