HNRNPK and pure red-cell aplasia: To further investigate the clinicopathological and prognostic significance of HnRNPK levels in PrCa patients, the mRNA levels of HnRNPK in the above cohort of 53 PrCa tissues with the absence of androgen deprivation therapy, chemotherapy, radiotherapy or other anticancer treatments before surgery were classified according to age, serum PSA, Gleason score, pT stage, lymph node metastasis, seminal vesicle invasion and biochemical recurrence.