“…To date, only 15 cases occurring on the arms (including the current case) have been documented in the literature. 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 Clinically, PC presents as a slow‐growing, red, dome‐shaped skin nodule with a shiny surface or as a wart‐like plaque, papule, or polyp that is sometimes painful and ulcerative. The lesion size can range from <1 cm to up to 10 cm.…”