TOPICS: Cellular homeostasis, hyperplasia, dysplasia, preneoplastic cells, carcinogens, natural carcinogens, aflatoxin B1, hepatocellular carcinoma, alkylating agents, leukemia, lymphoma, arsenic, nickel, liver angiosarcoma, lung carcinoma, squamous cell carcinoma of skin, asbestos, bronchogenic carcinoma, mesothelioma, silica, alcohol, vinyl chloride, polycyclic aromatic hydrocarbons, aromatic amines, transitional cell carcinoma of bladder, nitrosamines, EBV, Burkitt lymphoma, hodgkin lymphoma, nasopharyngeal carcinoma, CNS lymphoma, HBV, HCV, HPV, HHV 8, kaposi sarcoma, HTLV 1, adult T cell leukemia, H pylori, stomach adenocarcinoma, MALT lymphoma, ionising radiation, papillary thyroid carcinoma, CML, AML, UV rays, basal cell carcinoma, melanoma, proto-oncogenes, tumor suppressor genes, apoptotic regulators, oncogene, PDGFB, ERBB1/EGFR, ERBB2/Her2/neu, RET, BCL-2, KIT, RAS, ABL, BRAF, ALK, c-myc, n-myc, l-myc, CCND1, cyclin D1, CDK4, tyrosine kinase, t(14;18), t(9;22), EML4-ALK, t(8;14), t(11;14), APC, BRCA1, BRCA2, NF1, MEN1, RB, VHL, WT1, TP53, beta catenin, neurofibromin, menin, HIF1a, Wilms tumor protein, angiogenesis, telomerase, FGF, VEGF, neo-angiogenesis, MHC class I, CD8+ cells