20027 Burkitt's tumor spleen 20028 Burkitt's tumor mult 20030 Margnl zone lym xtrndl 20031 Margin zone lym head 20032 Margin zone lym thorax 20033 Margin zone lym abdom 20034 Margin zone lym axilla 20035 Margin zone lym inguin 20036 Margin zone lym pelvic 20037 Margin zone lymph spleen ...