Case Presentation A 59-year-old woman presented to the emergency department with a two-month history of progressively worsening, crampy, generalized abdominal pain. The pain was accompanied by persistent nausea, intermittent vomiting, watery diarrhea, early satiety, and an unintentional 20-pound weight loss.
She denied hematochezia, melena, fevers, chills, or jaundice. Medical History Past Illnesses: Hepatitis C (successfully treated) History of intravenous drug use Gastrointestinal Evaluation: Colonoscopy nine years earlier: Unremarkable Family History: No family history of gastrointestinal malignancy Surgical History: None reported Physical Examination Vital Signs: Within normal limits Laboratory Findings Routine Tests White blood cell count: Normal Liver enzymes: Normal Lipase: Normal Alpha-fetoprotein (AFP): 3.6 ng/mL (within normal limits) Tumor Markers Chromogranin A: Elevated atβ¦