22 September 2020 : Clinical Research
Urachal Carcinoma: Are Lymphadenectomy and Umbilectomy Necessary?
Zhuo Jia1ABCDEF*, Xiao Chang1ABCD, Xing Li1BC, Baojun Wang1AE, Xu Zhang1AFDOI: 10.12659/MSM.927913
Med Sci Monit 2020; 26:e927913
Table 4 Tumor staging and median survival time of different staging systems.
| Stage | Sheldon staging system | Mayo staging system | TNM staging system | |||
|---|---|---|---|---|---|---|
| n (%) | Median survival time (months) | n (%) | Median survival time (months) | n (%) | Median survival time (months) | |
| I | 2 (5.1%) | 86 | 2 (5.1%) | 86 | 2 (5.1%) | 86 |
| II | 1 (2.6%) | 83 | 29 (74.4%) | 65 | 25 (64.1%) | 67 |
| III | 29 (74.4%) (III A: 28, III B: 1) | 67 | 3 (7.7%) | 15 | 4 (10.3%) | 62 |
| IV | 6 (5.4%) (IV A: 3, IV B: 3) | 15 | 5 (12.8%) | 15 | 8 (20.5%) | 15 |