Representative partial G-banding karyotypes. (A) CML (case no. 1) exhibiting an interstitial deletion del(7)(q11.2q22). (B) CML (case no. 2) with a small interstitial deletion del(7)(q22q22). Note that bands 7q21 and 7q31 are closer to each other in the deleted than in the normal chromosome 7 homolog. (C) MDS (case no. 3) with a terminal deletion del(7)(q22). (D) MDS (case no. 6) exhibiting a reciprocal translocation t(3; 7)(p13; q22) in unstimulated bone marrow and PHA-stimulated blood.