CT Scans:
CT scans stand for computerized tomography scans that are done on the abdomen, brain, or chest to observe the tumors. Cross-sectional views of the body generated by combining X-ray and CT scans techniques. CT scans are more effective than X-rays to detect lung nodules. Sometimes, patients are given intravenous contrast material before a CT scan that helps to define the position of the organs. This material may have an adverse effect and can cause hives or itching. To check if cancer has spread to other body parts CT scans of abdomen or head also done to identify cancer in the brain, adrenal glands or liver.