Kazuya Hasegawa, Yuya Yamaguchi. Olfactory receptors (ORs) are aberrantly expressed in a variety of cancers, but the role of ORs in KIRC is unknown; analysis of the TCGA KIRC dataset revealed that OR2A4, OR51E1, and OR7E14P may be potential marker diagnoses for KIRC, while OR2A20P and OR7E7P were found to be potential markers.