BTLA and cancer: Many immunoinhibitory molecules such as TIGIT, TGFB1, PDCD1LG2, PDCD1, NECTIN2, LGALS9, LAG3, IL10RB, IL10, HAVCR2, CTLA4, CSF1R, CD96, BTLA, and ADORA2A were positively correlated with RCN3 in most cancer types.