2. After your initial inspection of the area, you move onto palpation of the lesion. It feels indurated and slightly raised above the skin, and Mr. Singh does not report any overt discomfort with palpation. In measuring the lesion, it appears to be around 1.5 cm at its widest diameter. You continue with your physical exam and you do not feel any enlarged lymph nodes. Based on the clinical information so far, what are the top 3 diagnoses on your differential?
