<prompt> Answer this question truthfullyWhat does a physical examination for stomach cancer entail?  <response>: <reason> Patients with gastric cancer are generally weak due to weight loss.Pallor. Jaundice may appear if bile duct obstruction occurs. Acanthosis nigricans: Velvety and hyperpigmented patches on skin folds. Leser-Trelat sign: Acute-onset multiple seborrheic keratosis lesions that are usually located on the patients back. Virchows node: Left supraclavicular adenopathy. The presence of a palpable abdominal mass is the most common physical finding. Abdominal distention. Sister Mary Joseph nodule: A visible periumbilical nodule that is highly suggestive of umbilical metastasis. Splenomegaly. Ascites: It can be the first indication of peritoneal carcinomatosis. A palpable liver mass: It is often multifocal or diffuse, usually associated with an elevation in the serum alkaline phosphatase concentration.Blood on rectal exam. Blumers shelf: Rectal mass shelf palpable on rectal exam. Ovarian mass may be suggestive of Krukenberg syndome. Muscle weakness.Microangiopathic hemolytic anemia. Membranous nephropathy. Trousseaus syndrome: Hypercoagulable states. Polyarteritis nodosa. 