an abnormal increase in numbers of ccgg sites methylated in the 5 ' region of the human calcitonin ( ct ) gene occurred in tumor cell dna samples from 90 % ( 17 of 19 ) of patients with non-hodgkin 's t and b cell lymphoid neoplasms and in 95 % ( 21 of 22 ) of tumor cell dna samples from patients with acute nonlymphocytic leukemia ( anll ) .
C0024305
non-hodgkin 's
C0079731
b cell