Problem: A patient presents with a long history of crampy abdominal pain, diarrhea, fatigue, and weight loss. Endoscopic findings are significant for transmural inflammation, esophageal ulceration, cobblestone mucosal appearance, and skip lesions with areas of normal-appearing bowel interrupted by large areas of disease along the length of the intestine. These findings are suggestive of what disease? Need Online Tutoring? A. Ulcerative colitis B. Crohn's disease C. Irritable bowel syndrome D. Gastritis