Table 1

Antibodies used for multi-color immunofluorescence staining

Antibody descriptionItemDilution ratioImplication
CKAb215838200×Tumor cells
CD34CST3569100×Blood endothelial cells
D2-40 (Podoplanin)Ab77854100×Lymphatic endothelial cells
PD-1CST1368450×Programmed cell death-Ligand 1