Neoplasm MicrometastasisNeoplasms, Glandular and EpithelialBrenner TumorCystadenomaLinitis PlasticaThymus NeoplasmsKeratinsMesocolonBone Marrow NeoplasmsCystadenocarcinomaThymomaCarcinomaImmunohistochemistryNeoplasms, Multiple PrimarySentinel Lymph Node BiopsyLymphatic MetastasisAdenocarcinomaAdenomaOvarian NeoplasmsLymph NodesTumor Markers, BiologicalKeratin-20Pancreatic NeoplasmsNeoplasm StagingFrozen SectionsHematoxylinNeoplasmsNeoplasm MetastasisLung NeoplasmsNeoplasms, Cystic, Mucinous, and SerousMammaglobin BStomach NeoplasmsBreast NeoplasmsKeratin-19Neoplasm InvasivenessPrognosisReverse Transcriptase Polymerase Chain ReactionBile Duct NeoplasmsLiver NeoplasmsSkin NeoplasmsNeoplastic Cells, CirculatingAxilla