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A: Please follow step 2 for detailed explanation.
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To what locations do anal canal cancers metastasize?
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- A 56 y/o woman has a history of extensive exposure to ultraviolet radiation from both the sun and artificial tanning sources( tanning lights&beds) since childhood. The excessive wrinkling observed is caused primarily by which one of the the following effects of UV rays on the skin? A)damaged elastic fibers B)dilated follicles with plugged orifices C)increased size and activity of melanocytes D)thickening of the the stratum Cornell E)vascular sclerosis of dermal blood vesselsExplain the systemic effects of malignant tumors with regard to (1) pain, (2) bleeding, (3) weight loss, (4) and fatigueHow colorectal cancers develop through the accumulation of mutations in several genes ?
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