Ulcerated nodule in a 50-year old man who underwent lung transplantation.

A 50-year-old man presented to the department of infectious diseases with an ulcerated nodule over the right oral commissure that had progressed over 4 weeks ([Figure 1][1]). The patient reported multiple smaller papules over his face and scalp, nontender ulcers of the hard palate (Appendix 1,