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Table 2 Pathological characteristics of patients with second primary renal cell carcinoma (2nd RCC) and first primary renal cell carcinoma (1st RCC)

From: A comprehensive analysis of renal cell carcinoma as first and second primary cancers

 

2nd RCC

1st RCC

p value

Pathological type

Clear cell RCC

98 (86.7%)

630 (84.1%)

0.98

Papillary RCC

6 (5.3%)

44 (5.9%)

Chromophobe RCC

5 (4.4%)

51 (6.8%)

Translocation RCC

1 (0.88%)

4 (0.53%)

Sarcomatoid variants of RCC

1 (0.88%)

3 (0.4%)

Renal medullary carcinoma

0

1 (0.13%)

Renal collecting duct carcinoma

0

1 (0.13%)

Mucinous tubular and spindle cell carcinoma

0

1 (0.13%)

Unclassified RCC

2 (1.8%)

14 (1.9%)

Single/multiple

113/0

744/5

0.38

Pathological grade

I

16 (22.9%)

104 (24.9%)

0.45

II

44 (62.9%)

236 (56.6%)

III

10 (14.3%)

69 (16.5%)

IV

0

8 (1.9%)

Pathological stage

T1

97 (91.5%)

595 (79.4%)

<0.001

T2

2 (1.9%)

86 (11.5%)

T3

7 (6.6%)

50 (6.7%)

T4

0

7 (0.9%)

TxN1

0

11 (1.5%)

  1. RCC renal cell carcinoma