(A) Anecdotal comparison of primary tumor MVD, as estimated by CD34, between 2 DTC patients carrying the ACG^+/+ and the CTG^+/+ genotypes. High magnification, ×200. (B) Comparison of MVD, as estimated by CD34, in primary tumors from DTC patients carrying the ACG^+/+ vs other genotypes. Analysis performed by means of the Mann-Whitney U test. Median, ranges, and confidence intervals are reported for each group.