Thomas Warren iHuman Seborrheic Keratosis (72-year-old with skin moles)

The patient is a 72-year-old white retired male farmer with an 80-pack-year former smoking history who presents with a dark brown, asymmetric, irregularly bordered skin lesion that he noticed a few months ago, which now gets caught on his clothing. He denies other concerning lesions, purulent discharge, bleeding, weight loss, night sweats, or fever. Physical exam reveals stable vitals, Fitzpatrick II skin type with multiple freckles, and a 4 mm dark brown, dull, waxy, scaly, asymmetric, and irregularly bordered skin lesion on the right shoulder. Dermatoscopy shows fissures, ridges, and comedo-like openings.