<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 26-year-old male presents to the emergency room with weight loss, abdominal pain, and bloody diarrhea. He reports having intermittent bloody stools and crampy left lower quadrant abdominal pain over the past several days. He is otherwise healthy, does not smoke, and takes no medications. His family history is notable for colon cancer in his father. He subsequently undergoes a colonoscopy which demonstrates a hyperemic friable mucosa with inflammation extending continuously from the rectum proximally through the colon. A biopsy of the rectal mucosa is notable for crypt abscesses and pseudopolyps. This patients condition is most commonly associated with what other condition?? A: Primary biliary cirrhosis, B: Primary sclerosing cholangitis, C: Intestinal strictures, D: Perianal fistulae, E: Aphthous ulcers,  <response>: Based on the description in the question stem, this patient is presenting with symptoms and findings consistent with inflammatory bowel disease, specifically ulcerative colitis. The key features are bloody diarrhea, left lower quadrant abdominal pain, family history of colon cancer, colonoscopy findings of continuous inflammation from rectum proximally, and biopsy findings showing crypt abscesses and pseudopolyps. This presentation is classic for ulcerative colitis. The answer choice will likely relate to the extraintestinal manifestations that can be associated with inflammatory bowel disease.B: Primary sclerosing cholangitis 