Mesenteric LymphadenitisLymph NodesAbdomenLymphatic MetastasisLymphLymph Node ExcisionSentinel Lymph Node BiopsyAxillaNeoplasm StagingTuberculosis, Lymph NodeLymphatic DiseasesMesenteryMediastinumPrognosisSinoatrial NodeBreast NeoplasmsLymphatic SystemImmunohistochemistrySpleenNeckLymphoid TissueAtrioventricular NodeNeoplasm Invasiveness