Growth Pattern of Clear Cell Renal Cell Carcinoma in Patients with Delayed Surgical Intervention: Fast Growth Rate Correlates with High Grade and May Result in Poor Prognosis
Table 1
Patient demographics and tumor characteristics.
Sex
Men (%)
48 (78.7)
Women (%)
13 (21.3)
Age, yr
Median
56
Mean
55
Range
26–81
Side
Left (%)
32 (52.5)
Right (%)
29 (47.5)
Initial tumor size
Maximal diameter, cm
Median
1.90
Mean
2.32
Range
0.10–6.70
Volume, cm3
Median
3.591
Mean
11.186
Range
0.001–82.967
Final tumor size
Maximal diameter, cm
Median
4.00
Mean
4.44
Range
1.40–11.8
Volume, cm3
Median
28.595
Mean
66.992
Range
0.982–560.017
Duration of AS, mo
Median
27.00
Mean
39.5
Range
12–155
Grade
1
13
2
38
3
10
Pathological stage
T1a
30
T1b
20
T2
6
T3
5
AS: active surveillance; LGR: linear growth rate; DT: doubling time.