A 56-year-old woman with metastatic hormone receptor–positive, ERBB2-negative breast cancer presents with pruritic, erythematous, scaly macules and papules on her forearms, faces, chest, and upper back. What is your diagnosis? Click to show full abstract
A 56-year-old woman with metastatic hormone receptor–positive, ERBB2-negative breast cancer presents with pruritic, erythematous, scaly macules and papules on her forearms, faces, chest, and upper back. What is your diagnosis?
               
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