Table 1.

Cases of primary renal tumors coexisting with other primary malignancies

Renal tumor(s)	Synchronous tumor(s)	Reference
Renal cell carcinoma	Colorectal carcinoma	Halak et al. [2]
Renal cell carcinoma	Gynecological malignancies	Cheung Wong et al. [3]
Chromophobe cell carcinoma	Papillary renal carcinoma	Tyritzis et al. [4]
Renal cell carcinoma	Other sites	Beisland et al. [5]
Renal cell carcinoma	Esophageal carcinoma	Kobayashi et al. [6]
Papillary renal carcinoma	Heart liposarcoma	Gałazka et al. [7]
Renal oncocytoma	Endometrioid ovarian and endometrial carcinoma	Bezircioğlu et al. [8]
Chromophobe cell carcinoma	Urothelial carcinoma	Joon Choi et al. [9]
Ipsilateral renal cell carcinoma	Urothelial carcinoma of the renal pelvis	Leveridge et al. [10]
Renal cell carcinoma	Perirenal liposarcoma	Kinebuchi et al. [11]
Renal cell carcinoma	Central nervous system lymphoma	Chang et al. [12]
Renal cell carcinoma	Extragonadal retroperitoneal teratoma	Ambani et al. [13]
Renal cell carcinoma	Non-Hodgkin's lymphoma (T cell type)	Khadilkar et al. [14]
Chromophobe cell carcinoma	Carcinoid tumor of the gallbladder	Morelli et al. [15]
Renal cell carcinoma	Papillary renal carcinoma/chromophobe cell carcinoma	Petrolla et al. [16]
Renal cell carcinoma	Malignant lymphoma	Yagisawa et al. [17]
Transitional cell carcinoma	Right colon cancer	Kumar et al. [18]
Malignant rhabdoid tumor	Brain tumor	Adachi et al. [19]
Renal cell carcinoma	Uterine cervical adenocarcinoma	Yokoyama et al. [20]
Cystic renal cell and squamous cell carcinoma	Transitional cell carcinoma of ipsilateral ureter and urinary bladder	Charles et al. [21]