Notably, the coexpression of CD19 and CD138 might be detected in certain cases of LPL, B-CLL, ALL, and AML [8], as example in human ALL-derived REH cells herein, and hence, CAR-NK-92 cells targeting CD19 and CD138 may benefit those of hematologic malignancies as well. Here, CD19 is linked to acute lymphoblastic leukemia.