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Table 1 Clinical and histopathological characteristics of the study cohort

From: Are morphological criteria sufficient for the identification of circulating tumor cells in renal cancer?

Parameter Patients, n; (%)
Age, median; (range) 68; (30–83)
Men 28; (70)
Women 12; (30)
Benign tumors 10; (25)
Renal cysts 1; (2.5)
Angiomyolipoma 2; (5)
Oncocytoma 6; (15)
Cystic Nephroma 1; (2.5)
Tumor size (cm), median; (range) 2.5; (1.0-6.0)
Malignant tumors 30; (75)
Clear cell RCC 25; (62.5)
Papillary RCC 5; (12.5)
Tumor size (cm), median; (range) 4; (1.3-12.0)
Tumor differentiation  
G1 6; (20)
G2 16; (53.3)
G3 8; (26.7)
Venous invasion (in cases of potentially invasive tumors) 6; (16)
Distant metastasis (in cases of potentially invasive tumors) 1; (3)
Type of surgical intervention  
Open partial nephrectomy 24; (60)
Open nephrectomy 6; (15)
Transperitoneal nephrectomy 4; (10)
Laparoscopic nephrectomy 3; (7.5)
Laparoscopic partial nephrectomy 2; (5)
CT targeted biopsy 1; (2.5)