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 72-year-old woman comes to the physician because of a 1-month history of progressive fatigue and shortness of breath. Physical examination shows generalized pallor. Laboratory studies show:
Hemoglobin 5.8 g/dL
Hematocrit 17%
Mean corpuscular volume 86 μm3
Leukocyte count 6,200/mm3 with a normal differential
Platelet count 240,000/mm3
A bone marrow aspirate shows an absence of erythroid precursor cells. This patient’s condition is most likely associated with which of the following?"
assistant
Thymic tumor