FOAMed

A 43-year-old male presents with swelling to the right armpit. He also endorses a small wound to his right forearm, fatigue, mild muscle aches, and low-grade fever. On exam he has right axillary lymphadenopathy and a small, non-tender, slightly raised erythematous lesion to the right forearm with no overt evidence of extensive cellulitis. The patient states that he was playing with the neighborhood cat a little over a week ago. He believes the cat bit him on the arm before running off. What is the diagnosis?

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