![](https://forefrontdermatology.com/partnership-opportunities/wp-content/uploads/2021/07/COM-July-1-640x506.jpg)
An 80+ year old white male presented to clinic with history of a non-healing, easily friable patch on the left lower back for years.
HISTORY: An 80+ year old white male presented to clinic with history of a non-healing, easily friable patch on the left lower back for years.