Fig. 4
From: Renal collision tumours: three additional case reports
Histologic features of renal collision tumour associating CCRCC «T1» and CDC «T2» (hematoxylin and eosin, immunophenotype). Renal collision tumour combining two tumours: CCRCC «T1» and CDC «T2» (A). CD10 immunohistochemistry is positive in T1 and negative in T2 (B) whereas CD117 immunohistochemestry is negative in T1 and positive in T2 (C)