Episode 15 of Derms and Conditions, has our host James Q. Del Rosso, DO speaking with Anthony Rossi, MD, a Mohs Surgeon at Memorial Sloan Kettering Cancer Center in New York City. First Dr. Rossi discusses the use of the AJCC and Brigham and Women's Hospital squamous cell carcinoma staging\xa0system.\nNext Dr. Del Rosso asks Dr. Rossi for tips on treating keratoacanthomas\xa0of the lower extremities with subcutaneous\xa0methotrexate. Finally, Dr. Rossi discusses the use of immunotherapy in treating squamous\xa0cell carcinoma.