Origin and reversibility of malignancy.
D000818:Animals; D002273:Carcinogens; D002454:Cell Differentiation / Q000187:drug effects / Q000528:radiation effects; D002455:Cell Division / Q000187:drug effects / Q000528:radiation effects; D002471:Cell Transformation, Neoplastic / Q000187:drug effects* / Q000528:radiation effects; D002478:Cells, Cultured; D005786:Gene Expression Regulation; D006133:Growth Substances / Q000502:physiology; D006801:Humans; D009369:Neoplasms / Q000209:etiology* / Q000235:genetics; D009857:Oncogenes; D011519:Proto-Oncogenes; D012190:Retroviridae / Q000235:genetics; D014965:X-Rays
D002273:Carcinogens; D006133:Growth Substances