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°6.ID: 793049306Which statement is trueregarding the staging of cancer?ALocalized cancer is considered a high stage.BBenign tumors are stage 4.CCancers that have spread regionally are stage 3. CorrectDStage 1 has the poorest prognosis.°Cancer confined to the organ of origin is stage 1; cancer thatis locally invasive is stage 2; cancer that has spread to regional structures, such as lymph nodes, is stage 3; and cancer that has spread to distant sites, such as a liver cancer spreading to the lung or prostate cancer spreading to bone, is stage 4. The prognosis generally worsens with increasing tumor size, lymph node involvement, and metastasis. Benign tumors do not spread to distant regions. 7.ID: 793049320Which statement is trueregarding metastasis?°8.ID: 793049312Which statement characterizes radiation therapy?
9.ID: 793090937Which virus(es) is(are) linked to the development of cancer? (Select all that apply.)AHepatitis ABHepatitis B CorrectCHepatitis C CorrectDEpstein-Barr virus CorrectEHuman papillomavirus Correct°Hepatitis B and C have been linked to the development of liver cancer, which is usually caused by chronic inflammation. Epstein-Barr virus can lead to B-cell lymphomas in those individuals who are immunosuppressed. Human papillomavirus has been linked to cervical, anogenital, and penile cancers. Hepatitis A has not been linked to the development of cancer.