Fact Sheets

Merkel Cell Carcinoma (MCC)
Merkel cell carcinoma is a rare, aggressive form of skin cancer. It usually affects sun-exposed areas of the body, but it can occur in sun-shielded areas, too. Learn about symptoms and treatment.
Basal Cell Carcinoma (BCC)
Basal cell carcinoma accounts for 80 percent of all skin cancers. The cause is damage to the DNA of cells in the epidermis, the top layer of the skin.
Squamous Cell Carcinoma
Squamous cell carcinoma is a cancer in the middle and outer skin layers caused by ultraviolet (UV) exposure. Learn about symptoms and treatment.
Melanoma
Melanoma is a type of skin cancer that forms in the cells that produce skin color. Learn about symptoms and treatment.
Metastatic Cancer
Metastatic cancer, also known as stage IV (or 4), is the name for cancer that has spread from the site in the body where it started to another part of the body. Cancer can spread to any part of the body, but it most often spreads to the lungs, bones, liver, and brain.
Sentinel Lymph Node Biopsy
A sentinel lymph node biopsy is a procedure to determine whether cancer has spread to the lymph nodes. Learn about this procedure.
Brachytherapy
Brachytherapy is a cancer treatment in which radioactive materials are placed inside the body. Learn more about this treatment.
Skin Cancer
A disease caused by ultraviolet light that comes from the sun’s rays.
Hormonal Therapy for Cancer
Doctors may decide to interfere with hormone production in order to stop cancer from spreading, slow it down or decrease the odds it will come back.
Photoaging (Sun Damage)
Photoaging is when the sun prematurely—and sometimes dangerously—ages the skin. Learn about symptoms and treatment.