PLA2G4A and cancer: While in NOR, PLA2G4A (phospholipase A2, group IVA cytosolic, calcium-dependent) was not expressed (AVE(NOR) = 0), in all three cancer regions it was turned on (AVE(PTA) = 0.55, AVE(PTB) = 0.72, AVE(CWM) = 0.54).