NPM1 and Lymphadenopathy: The presence of NPM1 mutations was not related to age, sex, or the occurrence of fever, pallor, bleeding tendency, splenomegaly, hepatomegaly, or lymphadenopathy (p=0.39, 0.76, 0.516, 0.605, 0.217, 0.190, 0.416, and 0.230, respectively) (Table 1).