MediAI

Edited by ScholarGen MediAI Team Executive Clinical Summary A 90-year-old man presented with progressive bilateral leg edema for one month, accompanied by repeated episodes of malaise and dizziness associated with hypoglycemia. Physical examination revealed a nontender epigastric mass. The initial chest radiograph unexpectedly demonstrated a round, irregular opacity projected within the gastric chamber. An unusual colonic segment was also visible beneath the right hemidiaphragm. Subsequent upper gastrointestinal endoscopy revealed a large, extensively eroded exophytic mass in the subcardial region of the stomach. Histologic examination was consistent with high-grade poorly differentiated gastric adenocarcinoma . The patient was diagnosed with advanced gastric cancer and received palliative treatment. He died five months later. This case illustrates an important radiologic principle: an abnormality outside the primary field of interest may be the first imaging clue to a clinically signi...