A 65-year-old male patient presented for second opinion inquiring about the accuracy of diagnosis of colitis that was diagnosed based on endoscopy that was performed for the patient abroad. He brought with him pictures and reports showing the following, upper endoscopy report showing inflammation of second and third parts of the duodenum manifested as clean based ulcers with surrounding erythema in which the histology showed chronic duodenitis. colonoscopy showed severe erythema and clean-based ulcerations extending from the transverse colon, splenic flexure, descending colon till sigmoid colon. Which of the following statements reflect the accurate disease distribution?