Table 1.
Clinico-pathologic characteristics of the clear cell renal cell carcinoma patients studied in two sample sets
| Patient characteristics | Set 1 | Set 2 | Both sets |
|---|---|---|---|
| Age (median years; range) | 63 | 66 | 65 (40–92) |
| Sex (number) | |||
| Male | 7 | 50 | 57 |
| Female | 5 | 22 | 27 |
| Tumour characteristics | |||
| Pathological stage | |||
| pT1 | 2 | 41 | 43 |
| pT2 | 1 | 2 | 3 |
| pT3 | 9 | 26 | 35 |
| pT4 | - | 3 | 3 |
| Grading | |||
| G1 | - | 6 | 6 |
| G2 | 9 | 54 | 63 |
| G3 | 3 | 9 | 12 |
| G4 | - | 3 | 3 |
| Surgical margins | |||
| R0 | 12 | 61 | 73 |
| R1 | - | 5 | 5 |
| R2 | - | 4 | 4 |
| Rx | - | 2 | 2 |
| Lymph node stage | |||
| N0 | 10 | 31 | 41 |
| N1 | - | - | - |
| N2 | 1 | 3 | 4 |
| Nx | 1 | 38 | 39 |
| Metastases | |||
| M0 | 8 | 61 | 69 |
| M1 | 4 | 11 | 15 |
| Follow-up (mean month) | 27.4 | 25.1 | 26.0 |
| Survival | |||
| Deceased | 4 | 18 | 22 |
| Alive | 8 | 54 | 62 |
Abbreviations: T, tumour classification
G, histopathological grading
N, lymph node classification
M, metastasis classification
R, surgical margin classification.