A 55-year-old man presented with a painless, brown subcutaneous tumor over medial side of his left lower leg for 5 years.
A 55-year-old man presented with a painless, brown subcutaneous tumor over medial side of his left lower leg for 5 years.
摘要一位55岁男性病患者，五年前在其左下腿内侧有一个褐色、不痛的皮下肿瘤。