| 11. | With constant exposure to UVB rays, signs of photoaging might appear and precancerous lesions or skin cancer may develop.
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| 12. | A positive result may indicate the presence of precancerous lesions or colorectal cancer, and should be followed by colonoscopy.
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| 13. | He also expressed concern about studies of olestra that appear to show rats developed precancerous lesions on their livers.
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| 14. | All were carriers of H . pylori; hundreds of them already had precancerous lesions at the outset of the study.
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| 15. | A dermatologist can use liquid nitrogen to burn off any precancerous lesions and prevent them from developing into full-blown melanoma.
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| 16. | Apart from pancreatic serous cystadenomas ( SCNs ), which are almost always benign, three types of precancerous lesion are recognized.
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| 17. | This can be done because the tumour is typically unifocal, not associated with precancerous lesions, and is unlikely to recur.
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| 18. | One chemical treatment that has been prescribed by doctors for years is Retin A, used to treat acne and precancerous lesions.
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| 19. | This allows targeted surgical removal of condylomatous and / or potentially precancerous lesions prior to the development of invasive cervical cancer.
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| 20. | They also healed precancerous lesions called actinic keratoses, sandpapery spots that develop into cancer up to 20 percent of the time.
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