“…IHC interpretation was performed by hematopathologists or other pathologists nearly three-quarters of the time (30/41, 73.2%). In brief, the study design was prospective in one study [59], retrospective in 22 [3,32,33,36,[38][39][40]42,[44][45][46][47][49][50][51]54,60,61,63,66,67,69], secondary analysis of primary clinical trials in six [37,41,48,53,57,58], and not-explained in 12 [19][20][21]34,35,43,52,55,56,62,65,68]. The number of patients per study ranged from 20 to 688, with median ages of 46-70 years.…”