A Silent Mass in the Retroperitoneum: A Case of Incidental Nonfunctioning Paraganglioma in an Elderly Female

REPORTwith no palpable masses or focal tenderness.An initial esophagogastroduodenoscopy (EGD) revealed a Forrest grade III gastric ulcer with erosive duodenitis, for which she was started on a triple therapy regimen.However, her abdominal pain persisted despite this treatment.No abnormalities were detected on systemic examination.Routine laboratory investigations, including a complete blood count and coagulation profile, were within normal limits (Table 1).A transthoracic echocardiogram was performed for preoperative risk stratification and showed a mild pericardial effusion with no hemodynamic compromise.Given the persistent pain, a contrast-enhanced computed tomography (CECT) of the abdomen and pelvis was obtained.The scan revealed a