The purpose of this study is to obtain consent to biobank skin specimens for future research studies. Skin growths, skin cancer, autoimmune or inflammatory skin diseases, and normal skin may be banked. Eligible patients include those who are seen at the University of Pennsylvania Health System clinical practices. For patients whose skin samples were collected for clinical purposes and would have otherwise been discarded, the only study intervention is an optional blood draw. For other patients, up to two 6 mm punch biopsies may be performed to collect lesional and normal skin, plus an optional blood draw.

You may be eligible for this study if you meet the following criteria:

• Conditions: biobank,biopsy,cancer
• Age: 99 years or below
• Gender: All