Patient presents with symptoms consistent with ulcerative colitis (UC).  Chief complaints include persistent bloody diarrhea, abdominal pain, and rectal urgency.  The patient reports experiencing tenesmus and fecal incontinence.  Onset of symptoms began approximately [duration] ago and has been [frequency - e.g., intermittent, constant].  Review of systems reveals fatigue, unintentional weight loss, and decreased appetite.  Past medical history includes [relevant medical history, e.g.,  prior UC flares, other inflammatory bowel disease, other GI conditions].  Family history is significant for [family history of UC or IBD].  Physical examination reveals abdominal tenderness upon palpation in the [location] quadrant.  Rectal examination reveals [findings, e.g., friable mucosa, blood].  Laboratory findings demonstrate elevated inflammatory markers, including [e.g., C-reactive protein, fecal calprotectin].  Colonoscopy findings reveal continuous inflammation and ulceration limited to the [extent of disease, e.g., rectum, sigmoid colon, etc.], consistent with the diagnosis of ulcerative colitis.  Differential diagnosis includes Crohn's disease, infectious colitis, and ischemic colitis.  The patient was diagnosed with ulcerative colitis based on clinical presentation, laboratory results, and endoscopic findings.  Treatment plan includes initiation of [medication, e.g., mesalamine, corticosteroids] and close monitoring for response.  Patient education provided regarding disease management, dietary modifications, and potential complications, including toxic megacolon and colorectal cancer surveillance.  Follow-up scheduled in [duration] to assess treatment efficacy and adjust management as needed.  ICD-10 code K51.9, Ulcerative colitis, unspecified, is assigned.