when tested with a series of monoclonal antibodies , thymoma ec were all stained by the antibody ki-m3 ( as in the thymus ) , but reacted with anti-hla-dr , anti-hla-a , b , c and with a new monoclonal antibody to cortical ec , 21a6 , to a lesser extent and with weaker , variable intensity in comparison with the normal thymus .
C0040100
thymoma
C0040113
thymus