drug that increases the sensitivity of tumors to radiation therapy - loss of specialization of cells; reversion to a more primitive type - region of dna found in tumor cells; examples are abl, ras, and src a. synthetic chemicals containing groups that interfere with dna synthesis - visual examination of the abdominal cavity using small incisions and an endoscope - localized cancer; confined to the site of origin - malnutrition associated with chronic disease (such as malignancy) and ill health - malignant tumor of epithelial tissue (glandular cells) - cells are scraped from an area of suspected disease and examined microscopically a. oncogene b. anaplasia c. exfoliative cytology d. alkylating agents e. adenocarcinoma f. cachexia g. radiosensitizer h. laparoscopy i. metastasis j. carcinoma in situ