Fig. 1From: Renal collision tumours: three additional case reportsAbdominal computed tomography scan showing a Bosniak 4 cystic lesion (white star) and a fleshy lesion (white line) of right kidney in Case 1 (A), a right mid-renal lesion with fat and tissular components in Case 2 (B) and a left kidney mass in Case 3 (C)Back to article page