Cancer is a disease in which some somatic cells grow out of control and spread to other parts of the body. Cancer can occur almost anywhere in the human body, which is made up of trillions of cells. Normally, human cells grow and proliferate (through a process called cell division) List of Cancer Types when the body needs them, creating new cells. When a cell becomes old or damaged, it dies and is replaced by a new one. From time to time, this ordered process breaks down, causing abnormal and damaged cells to grow and grow when they wouldn’t normally grow. List of Cancer Types These cells can form tumors, which are masses of tissue. Tumors can be cancerous or non-cancerous.
