IRS4 and pituitary adenocarcinoma: Four of the SNVs, ATR c.7817G>A (p.Arg2606Gln), IRS4 c.605A>G (p.Lys202Arg), PCM1 c.3520A>G (p.Thr1174Ala) and TRRAP c.8735G>C (p.Ser2912Thr) were only detected in PTCa.