Cancer

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Across
  1. 4. Collection of over 200 diseases characterized by uncontrollable cell division and lack of programmed cell death
  2. 6. Improving the quality of life by relieving symptoms and reducing suffering
  3. 8. Noncancerous tumor
  4. 10. Spreading of cancer cells from a primary site of origin to distant sites
  5. 13. Cancer type in which viruses account for between 80% and 90% of cases
  6. 15. According to the Roman numeral staging system, the most advanced cancer stage, with metastasis to other organs or throughout the body
  7. 17. Development of any new and independent cells in the body that do not follow the same laws governing other cells and serve no useful purpose
  8. 18. Early cancer that is present only in the cell layers where it began; preinvasive stage
  9. 20. Cancer that causes most cancer-related deaths in both men and women in the United States
Down
  1. 1. Cancerous tumor
  2. 2. A type of metastasis that involves direct invasion of tumors into surrounding tissues
  3. 3. General term used to describe the extent and spread of cancer
  4. 5. Cancer-causing agents such as chemicals, radiation, and viruses
  5. 7. The use of chemical agents to destroy cancer cells
  6. 9. Use of ionizing radiation to destroy cancer cells
  7. 11. Treatment method used to remove tumors, cancerous organs, and affected lymph nodes
  8. 12. A type of metastasis that involves the spreading of cancer cells along surfaces of membranes that cover body cavities
  9. 14. Study of tumors
  10. 16. Mass formed by neoplastic cells
  11. 19. Staging system that assesses cancer in three different categories: size of the primary tumor, extent of lymph node involvement, and presence and extent of metastasis