system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 57-year-old man presents with an ongoing asymptomatic rash for 2 weeks. A similar rash is seen in both axillae. He has a medical history of diabetes mellitus for 5 years and dyspepsia for 6 months. His medications include metformin and aspirin. His vital signs are within normal limits. His BMI is 29 kg/m2. The physical examination shows conjunctival pallor. The cardiopulmonary examination reveals no abnormalities. The laboratory test results are as follows:
Hemoglobin 9 g/dL
Mean corpuscular volume 72 μm3
Platelet count 469,000/mm3
Red cell distribution width 18%
HbA1C 6.5%
Which of the following is the most likely underlying cause of this patient’s condition?
assistant
Gastric cancer