Refers to cancer that comes from cell surface of the organ lining both inside and outside the body. The surface of the cells lining the body contains four types of big: -Glandular cells lining of the skin that create substance screening over. -Squamous cell is a group of flat skin lining some polygon.-Skin lining cells are Transitional changes shape according to the expansion and contraction of the organ pipe organs, such as is found in the urinary tract. -Skin lining is Pseudostratified put several artificial organs like the lungs, can be found in the.
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