<prompt> A 60 year old man presented with fatigue, weight lossand heaviness in left hypochondrium for 6 months.The hemogram showed Hb. lOgmdL, TLC 5lakhsmm3, platelet count 4 lakhsmm3, DLC;neutrophil 55, lymphocutes 4, monocytes 2,basophils 6, metamyelocytes 10, myelocytes18, promyelocytes 2 and blasta 3. The mostlikely cytogenetic abnormality in this case ist 1; 21t 9; 22t 15; 17Trisomy 21  <response>: . t 9; 22 