| A | B |
| BENIGN | Tumors that are not cancer |
| MALIGNANT | Tumors that are cancer |
| METASTASIZE | The spreading of cancer cells |
| CARCINOMA | Cancer beginning in lining or an organ |
| CANCER | Group of more than 100 different diseases |
| ONCOLOGIST | Specialist in the treatment of cancer |
| BIOPSY | Removal of a sample of tissue |
| STAGING | Determining the extent the cancer has spread |
| CHEMOTHERAPY | Treatment using anticancer drugs |
| RADIATION THERAPY | Treatment using high energy rays |
| HORMONE THERAPY | Stopping hormone production to starve the cancer |
| SURGERY | Removal of tumor and surrounding tissue |
| CLINICAL TRIALS | New treatments provided by researchers |
| RISK FACTORS | Factors that increase possibility of getting cancer |
| CARCINOGENS | Cancer-causing agents |
| METASTASIS | Spread of cancer to other parts of body |
| PATHOLOGIST | Doctor who studies cells and tissue |
| TUMOR | Abnormal mass of tissue from excessive cell division |