↵* Based on the ranking data, tumors were grouped into categories I to IV corresponding to high (I) and moderate (II) overexpression and equal (III) and lowered (IV) expression.

↵† The 38 tumors were ranked from 1 to 38, whereby rank 1 indicates the highest, rank 2 the second highest, etc., and rank 38 the lowest expression of CD75s-gangliosides.

↵‡ Histopathologic grading: G1, well differentiated; G2, moderately differentiated; G3, poorly differentiated; G4, undifferentiated; X, histopathologic grading cannot be assessed.