Table 1.

Demographics and pathological features of all renal masses.

Gender total population (195 patients), n (%)	Female	Male
	82 (42.1%)	113 (57.9%)
Total population Age, mean (SD), years	60.9 years (from 29.9 to 79 years)
Histological type: malignant tumors, n (%)	RCC	Papillary	Cromophobe	Others
	126 (76.4%)	21 (12.7%)	18 (10.9)	-
Histological type: benign tumors, n (%)	Oncocytoma	Angiomyolipoma	Renal Cyst	Others
	26 (86.8%)	2 (6.6%)	2 (6.6%)	-
Malignant Tumor size, mean (SD), cm	5.7
Benign Tumor size, mean (SD), cm	4.4
Sex distribution of benign tumors	Female	Male
	11	19
Sex distribution of malignant tumors	Female	Male
	52	113
Side distribution of benign tumors	Right Kidney	Left Kidney
	15	15
Renal site distribution of benign tumors	Upper pole	Middle site	Lower Pole
	15	9	6