Table 2.
Clinico-pathologic features of tumor patients
| All RCC | % | ccRCC | % | ||
|---|---|---|---|---|---|
| Total cases | No. | 175 | 100 | 140 | 100 |
| Histology | |||||
| ccRCC | 140 | 80 | 140 | 100 | |
| papRCC | 23 | 13.1 | 0 | 0 | |
| Chrom. RCC | 3 | 1.7 | 0 | 0 | |
| Mixed histol. | 5 | 2.9 | 0 | 0 | |
| Other | 4 | 2.3 | 0 | 0 | |
| Sex | |||||
| Female | 63 | 36 | 53 | 37.9 | |
| Male | 112 | 64 | 87 | 62.1 | |
| Age | |||||
| Median | 65 | 65 | |||
| Min-max | 35–91 | 35–90 | |||
| Metastasis | |||||
| M0 | 143 | 81.7 | 113 | 80.7 | |
| M+ | 29 | 16.6 | 24 | 17.1 | |
| na | 3 | 1.7 | 3 | 2.1 | |
| Lymph node met | |||||
| N0 | 155 | 88.6 | 126 | 90 | |
| N+ | 15 | 8.6 | 9 | 6.4 | |
| na | 5 | 2.9 | 5 | 3.6 | |
| T-classification | |||||
| pT1 | 11 | 6.3 | 8 | 5.7 | |
| pT1a | 58 | 33.1 | 45 | 32.1 | |
| pT1b | 40 | 22.9 | 33 | 23.6 | |
| pT2 | 8 | 4.6 | 7 | 5 | |
| pT3 | 5 | 2.9 | 2 | 1.4 | |
| pT3a | 16 | 9.1 | 13 | 9.3 | |
| pT3b | 31 | 17.7 | 29 | 20.7 | |
| pT3c | 4 | 2.3 | 3 | 2.1 | |
| pT4 | 1 | 0.6 | 0 | 0 | |
| na | 1 | 0.6 | 0 | 0 | |
| Differentiation | |||||
| G1 | 34 | 19.4 | 30 | 21.4 | |
| G1–2 | 18 | 10.3 | 11 | 7.9 | |
| G2 | 96 | 54.9 | 77 | 55 | |
| G2–3 | 9 | 5.1 | 5 | 3.6 | |
| G3 | 18 | 10.3 | 17 | 12.1 | |
| Localized disease1 | 103 | 58.9 | 80 | 57.1 | |
| Advanced disease1 | 66 | 37.7 | 55 | 39.3 | |
| na | 6 | 3.4 | 5 | 3.6 | |
| Paired samples | No. | 175 | 100 | 140 | 100 |
Abbreviations: ccRCC clear cell renal cell carcinoma, papRCC papillary, chrom.chromophobe, met.metastasis, na not available
1Localized and advanced disease defined as pT< = 2,N0, M0, or pT > = 3 and/or N+, M+