8 yrs ago my son had Epstein bar, and his spleen was at 15.1 cm.. He went for a physical this year with ultra sound and cat scan, spleen is still 15.1,, with all other testing normal,, all organs normal and blood levels normal,, no infection,, just Epstein marks in his blood,, could this be a normal size for him? He is a big bone man,, standing 6 4 220 lbs,,and athletic