Pelvic NeoplasmsSensitivity and SpecificityPancreatic NeoplasmsNeoplasmsLimit of DetectionNeoplasms, Cystic, Mucinous, and SerousPolymerase Chain ReactionSkin NeoplasmsNeoplasms, Multiple PrimaryKidney NeoplasmsNeoplasms, Second PrimaryThyroid NeoplasmsDNA, NeoplasmReproducibility of ResultsAdenocarcinoma, MucinousLung NeoplasmsMyeloproliferative DisordersImmunohistochemistryLiver Neoplasms