17. B is the correct answer. The lesion is characteristic of a malignant melanoma. It has some of the key characteristics of a malignant melanoma. It has asymmetry where half over half of the lesion is not like the other. It has an irregular border. It has multiple colors within the lesion. Most importantly its diameter is bigger than a pencil eraser. A benign nevus usually has a normal variation in color and is smaller than a pencil eraser. A Basal Cell Carcinoma is a firm small raised or flat area that can be shiny or waxy. They have been known to bleed with minor injury. BCC may range from a few millimeters to several centimeters in diameter. Squamous cell carcinoma often usually look like scaly red patches, open sores or elevated growths with a central depression. These may be crusty or bleed.
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