Tumour Cells In Blood Vessels Royalty-Free Stock Photography

Cancer cells are cells that grow and divide at a rapid and unregulated pace. Although cancer cells are regularly created in the body, the disease known as cancer only occurs when immune cells (particularly natural killer cells) fail to recognize and/or destroy them. tumour a swelling of a part of the body, generally without inflammation, caused by an abnormal growth of tissue, whether benign or malignant.