Synchronous primary gastric triple-hit high-grade B-cell lymphoma and gastric adenocarcinoma: endoscopic and pathological findings.

A 82-year-old man was admitted to our institution with a 2-month history of fatigue and loss of appetite. Laboratory studies revealed anaemia, with haemoglobin level of 7.9 g/dL and a red cell count of 2.9×1012/L; the white cell count was normal. Upper endoscopy showed two discrete gastric