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Understanding Cancer. Understanding Cancer. Understanding Cancer. Understanding Cancer. Understanding Cancer. Metastasis, Or Spread of Cancer. Once cancer cells are attached, they may pass through the lining of the lymph or blood vessel. Attachment A primary tumor attaches to a

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Understanding Cancer

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    1. Understanding Cancer

    2. Understanding Cancer

    3. Understanding Cancer

    4. Understanding Cancer

    5. Understanding Cancer

    6. Metastasis, Or Spread of Cancer Once cancer cells are attached, they may pass through the lining of the lymph or blood vessel. Attachment A primary tumor attaches to a blood vessel (or lymph node). The cancer cells may then move through the blood and lymph system to form a secondary tumor, or metastasis, at another site in the body. Cancer cells move into the circulation system and spread to other parts of the body, colonizing other organs. This traveling and reproducing is called metastasizing.

    7. Seven Warning Signs of Cancer Change in Bowel or Bladder Habits A Sore That Doesn’t Heal Unusual Bleeding or Discharge Thickening or Lump in the Breast, Testis, or Elsewhere Indigestion or Difficulty Swallowing Obvious Change in a Wart or Mole Nagging Cough or Hoarseness

    8. Who Is at Risk for Developing Cancer?

    9. Who Is at Risk for Developing Cancer?

    10. Who Is at Risk for Developing Cancer?

    11. Who Is at Risk for Developing Cancer?

    12. Lowering Your Cancer Risk Stay Smoke-Free The single most devastating and preventable cause of cancer deaths in the United States People who smoke two or more packs of cigarettes per day are 15 to 25 times more likely to die from cancer than nonsmokers. Eat Smart The same foods that keep your heart healthy, your blood pressure low, your bones strong, and your weight under control are most likely to reduce your risk of cancer.

    13. Lowering Your Cancer Risk Maintain a Healthy Weight Obesity causes 1 in 6 cancer deaths. Limit Exposure to Environmental Risks Avoid carcinogens such as nickel, chromate, asbestos, and vinyl chloride. Limit chronic use of hair dye, especially dark shades of permanent coloring. Be Vigilant Proven methods of cancer prevention and early detection could save more than 60,000 lives a year. Schedule screening exams, and perform regular self-exams.

    14. Common Types of Cancer Carcinoma Lymphoma Sarcoma Leukemia

    15. Skin Cancer

    16. Skin Cancer

    17. Skin Cancer

    18. Skin Cancer

    19. Three Types of Skin Cancer Squamous-cell cancer Melanoma Basal-cell cancer

    20. ABCD: The Warning Signs of Melanoma Asymmetry: One half doesn’t match the other half Border irregularity: The edges are ragged, notched, or blurred Color: Rather than uniform pigmentation, there are shades of tan, brown, and black, with possible dashes of red, white, and blue. Diameter: The mole is larger than 6 mm (about the size of a pencil eraser).

    21. Breast Cancer

    22. Breast Cancer

    23. Breast Cancer

    24. Breast Cancer

    25. Breast Self-Exam Fig. 16-6, p. 468

    26. Cervical Cancer

    27. Cervical Cancer

    28. Cervical Cancer

    29. Ovarian Cancer

    30. Ovarian Cancer

    31. Ovarian Cancer

    32. Ovarian Cancer

    33. Ovarian Cancer

    34. Testicular Cancer

    35. Testicular Cancer

    36. Testicular Cancer

    37. Testicular Cancer

    38. Colon and Rectal Cancer

    39. Colon and Rectal Cancer

    40. Colon and Rectal Cancer

    41. Colon and Rectal Cancer

    42. Colon and Rectal Cancer

    43. Screening for Colon Cancer

    44. Leukemia

    45. Leukemia

    46. Leukemia

    47. Leukemia

    48. Lung Cancer

    49. Lung Cancer