the most frequent site was the cns ( 44.2 % ) , followed by the haematopoetic-lymphatic system ( 28.1 % ) , skeletal system ( 7.7 % ) , sympathetic nervous system including adrenal medulla ( 6.2 % ) and kidneys ( 4.6 % ) .
C0039044
sympathetic nervous system
C0001629
adrenal medulla