A 66-year-old African American man with a history of multiple comorbidities was referred for evaluation of an umbilical mass that was present for several months. He noticed the lesion at approximately the same time that he started...
A 66-year-old African American man with a history of multiple comorbidities was referred for evaluation of an umbilical mass that was present for several months. He noticed the lesion at approximately the same time that he started...
A 66-year-old African American...