Hematemesis and black sto...

A 29-year-old woman who was admitted to the hospital for repeated hematemesis and black stool. Combined imaging and endoscopic examination were done. Laboratory investigations revealed reduced erythrocyte, platelet, and leukocyte counts, the interferon gamma release assay was positive, and liver function was normal. Abdominal exploration, splenectomy, varicose vein dissection, and lesion resection were performed via laparotomy. Postoperative biopsy analysis was done. Based on the above-described factors, and investigations