PDCD1 and nasopharyngeal carcinoma: However, to our knowledge, there was no report about the relationship between PD-1/PDL-1 and lncRNAs in NSCLC, and only one paper was found to reveal that the co-expression of lncRNA AFAP1-AS1 and PD-1 predicted poor prognosis of nasopharyngeal carcinoma (NPC) [97].