Cancer is a complex illness and happens when cells within the physique begin to grow chaotically. Normally, cells grow, divide, and produce more cells to keep the body healthy and functioning properly. Sometimes, nonetheless, the method goes astray; cells hold dividing when new cells are usually not wanted. Some kinds of cells are extra liable to irregular development than others. The mass of additional cells types a growth or tumor, which will be benign or malignant.
After you have got had remedy for cancer , a CT scan may show that there are nonetheless some indicators of the cancer left. But this may not be active illness. It could possibly be scar tissue left over from cancer killed off by your therapy. A PET scan can show whether this tissue is lively cancer or not. Text is obtainable below the Creative Commons Attribution-ShareAlike License ; extra terms may apply. By …