K-ras Gene Mutation Detection, Cytokeratin 8/18 Low Molecular Weight (CAM 5.2) by IHC (for melanoma), KIT Mutations (for melanoma), NRAS Mutation Detection (for melanoma), Microsatellite Instability/HNPCC by molecular method and by IHC (for colon cancer), Septin 9 (SEPT9) for colon cancer, Methylated DNA Detection by Real-Time PCR (for lung cancer), EGFR by FISH (for lung cancer), EGFR Mutation Detection by molecular method, p53 by molecular method and by IHC, Ki67 by IHC.