Depending on the response to the 1st line therapy according to the BEACOPP-14 regimen, the subjects were divided into 2 groups....The optimal threshold value for the proportion of BCL-2+ tumor cells was 46%. Based on the established threshold, all subjects were divided into two categories: with high (≥46%) and low (<46%) BCL-2 expression....A high relative content of BCL-2+ tumor cells (>46%) is associated with treatment failures in patients with NSCHL.