| Question | Answer |
| sessile | attached by a base rather than by a stalk or a peduncle |
| relapse | to exhibit again the symptoms of a disease from which a patient appears to have recovered |
| adjuvant | a substance,especially a drug added to a prescription to assist in the action of the main ingredient |
| mutation | a change or transformation in a gene |
| radiosenstive tumor | a tumor capable of being changed by or reacting to radioactive emission such as x-rays,alpha particles or gamma rays |
| malignant | tending to become worse and cause death |
| adjuvant therapy | treatment of a disease with a substance especially a drug that enhances the main ingredient. |
| chemotherapy | the use of chemical agents to destroy cancer cells on a selective basis |
| oncogenesis | the formation of a tumor |
| encapsulated | enclosed in fibrous or membranous sheaths |
| carcinoma | a malignant neoplasm |
| morbidity | an illness of an abnormal condition or quality |
| lumpectomy | surgical removal of only tumor & the immediate adjacent breast tissue;a method of treatment for breast cancer when detected in the early stage of the disease |
| papillary | of or pertaining to a papilla(nipplelike projection) |
| cancer | a neoplasm characterized by the uncontrolled growth of anaplastic cells that tend to invade surrounding tissue and to metastasize reasons;body sites |
| radioresistant rumor | a tumor that resits the effects of radiation |
| radioresponsive tumor | a tumor that reacts favorably to radiation |
| anaplasia | a change in the structure and orientation of cells characterized by a loss of specialization and reversion to a more primitive form |
| mitosis | a type of cell division that results in the formation of two genetically identical daughter cells |
| oncogene | a gene in a virus that has the ability to cause a cell to become malignant |
| scirrhous | pertaining to a carcinoma with a hard structure |
| metastasis | the process by which tumor cells spread to distant parts of the body |
| pedunculated | pertaining to a structure with a stalk |
| carcinoma in situ (CIS) | a premalignant neoplasm that has not invaded the basement membrane but shoes cytologic characteristics of cancer |
| deoxyribonucleic acid (DNA) | a large nucleic acid molecule found principally in the chromosomes of the nucleus of a cell that is the carrier genetic information |
| linear accelerator | an apparatus for accelerating charged substance particles used in radiotherapy,physics research and the production of readionuclides |
| radiation | the emission of energy,rays or waves |
| invasive | characterized by a tendency to spread,infiltrate and intrude |
| cytotoxic | pertaining to being destructive to cells |
| dedifferentiation | a change in the structure and orientation of cells characterized by a loss of specialization and reversion to a more primitive form |
| radiocurable tumor | pertaining to the susceptibility of tumor cells to destruction by ionizing radiation |
| carcinogen | a substance or agent that causes the development or increases the incidence of cancer |
| remission | the partial or complete disappearance of the symptoms of a chronic or malignant disease |
| differentiation | a process in development in which unspecialized cells or tissues are systemically modified and altered to achieve specific & characteristic physical forms,physiologic functions & chemicals properties |
| ribonucleic acid(RNA) | a nucleic acid found in both the nucleus and cytoplasm of cells that transmits genetic instructions from the nucleus to the cytoplasm |
| neoplasm | any abnormal growth of new tissue, benign or malignant |
| fractionation | in radiology,the division of the total dose of radiation into small doses administered at intervals in an effort to minimize tissue damages |
| modality | a method of application |
| antineoplastic | of a pertaining to a substance,procedure or measure that prevents the proliferation of malignant cells |
| protocol | a written plan or description of the steps to be taken in a particular situation such as conducting research |
| benign | noncancerous & therefore not an immediate threat,even through treatment eventually may be required for health or cosmetic reasons; not life threatening |
| mixed-tissue tumor | a growth of more then one type of neoplastic tissue |
| antimetabolite | a class of antineoplastic drugs used to treat cancer.these drugs are most effective against rapidly growing tumors |
| radiotherapy | the treatment of disease by using x-rays gamma rays |
| infiltraive | possessing the ability to invade or penetrate adjacent tissue |
