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To understand the molecular basis of carcinogenesis from the beginning to the full acquirement of malignancy , factors concerned with carcinogenesis were categorized into three groups : those guarding and stabilizing genomes , those regulating cell proliferation , and those conferring resistance to various micro - environmental stresses .
 Anatomy: cell
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: cell