SDHB and hereditary leiomyomatosis and renal cell cancer: Hypermethylation of the SDHB-RCC demonstrated some overlap with the HLRCC tumors and publicly available data was obtainable for Illumina HumanMethylation450 BeadChip analysis of 7 SDHB-mutant Pheo/PGL tumors with 2 normal tissue samples (GSE43298) and 7 SDHB-mutant GISTs with 6 normal tissue (muscularis) samples (GSE34387).