Sometimes cancer that starts in one part of your body, known as the primary site, spreads to other parts. That’s because cancer cells can travel, or metastasize, via your bloodstream or lymph system.

Oncologists classify cancer as either invasive or noninvasive. Noninvasive cancer stays in the original tissue and does not spread around the body. Different types of cancer, such as breast, skin, and ...

Tongue cancer is a type of cancer that starts in the cells of the tongue, and can cause lesions or tumors on your tongue. It’s a type of head and neck cancer. Tongue cancer can occur on the front of ...