Related topics: cancer · cancer cells · cells · breast cancer · tumor cells

page 1 from 40

Tumor

A tumor or tumour is the name for a swelling or lesion formed by an abnormal growth of cells (termed neoplastic). Tumor is not synonymous with cancer. A tumor can be benign, pre-malignant or malignant, whereas cancer is by definition malignant.

This text uses material from Wikipedia, licensed under CC BY-SA