RXRA and renal cell carcinoma: A positive association was observed between RCC risk and increasing consumption frequency of yogurt among participants with the wild type CC rs3118538 (P-trend = .01) and CC rs10776909 (P-trend = .01) alleles across the RXRA gene; rs10776909 located in intron 1 was also shown to significantly modify associations between frequency of dietary intake of yogurt and RCC risk (P-interaction = .04).