What is Perineural Invasion? Symptoms, Treatment Perineural invasion (PNI) is a term used to describe the invasion of cancer cells into the nerves that surround a tumor. Cancer cells may grow…
What is Perineural Invasion? Symptoms, Treatment Perineural invasion (PNI) is a term used to describe the invasion of cancer cells into the nerves that surround a tumor. Cancer cells may grow…