KIT-mutated seminomas separated from the KIT-WT seminomas on the Tumor Map and exhibited unique characteristics, including the highest levels of lymphocyte infiltration, the absence of global DNA methylation, reduced KRAS mutation frequency and copy number alterations, reduced frequency of estimated presence of inferred i(12p) events, and a more prevalent history of cryptorchidism (Table 1). This evidence concerns the gene KRAS and seminoma.