"Polymorphic carcinoma" is a term used in pathology to describe a type of cancer with varying cell appearances or a mixture of different cell types within the tumor. This can make the tumor challenging to classify and characterize under a microscope. Polymorphic carcinomas can occur in various organs, including the lung, breast, and salivary glands, among others.

The treatment and prognosis of polymorphic carcinomas depend on the specific organ involved, the extent of the cancer, and the specific cell types present within the tumor. Management typically involves a combination of surgery, chemotherapy, radiation therapy, and other targeted treatments tailored to the individual patient's case.

It's important to note that the term "polymorphic carcinoma" is a descriptive term used in pathology and may not refer to a specific type of cancer with a standardized treatment approach. Treatment decisions are typically made based on a detailed evaluation of the specific characteristics of the tumor and the patient's overall health.