An 82-year-old man, with a previous partial gastrectomy, presented to our hospital with thrombosis of the right popliteal vein. Investigation revealed a gastric stump adenocarcinoma with liver metastasis. We discuss the higher risk of cancer after gastrectomy for benign diseases and the possible, but unusual form of presentation as a paraneoplastic syndrome.; Relata-se o caso clínico de um homem de 82 anos de i...