Which of the following statements are true regarding carcinoma? Check all that apply. Carcinoma comes from specialized skin cells.

Lung cancer is commonly classified as a carcinoma.

Metastasis is the same thing as carcinoma.

Carcinoma begins in the skin or in tissues that line or cover internal or outer surfaces.

Carcinomas are the most common form of cancer.

Carcinomas are the rarest form of cancer.

Breast cancer is usually carcinoma.

Carcinomas do not practice contact inhibition.