From: Factors predicting recurrence after curative resection for rectal cancer: a 16-year study
Characteristic | Number of patients [n (%)] |
---|---|
Number of patients in this study | 188 |
Age (years) (mean) | 60.5 |
Sex ratio (M:F) | 1.35:1 |
Location of tumor | |
Upper rectum | 45 (24) |
Middle rectum | 65 (35) |
Lower rectum | 78 (41) |
cT stage | |
T1/T2 | 24 (13) |
T3 | 155 (82) |
T4 | 9 (5) |
cN stage | |
N0 | 82 (44) |
N+ | 106 (56) |
cTNM stage | |
I | 49 (27) |
II | 38 (20) |
III | 98 (51) |
IV | 3 (2) |
Parietal invasion | |
pT1–T2 | 64 (34) |
pT3–T4 | 124 (66) |
pT stage | |
T1 | 14 |
T2 | 50 |
T3 | 107 |
T4 | 17 |
pN stage | |
N0 | 127 |
N1 | 34 |
N2 | 17 |
N3 | 10 |
pTNM stage | |
I | 56 (30) |
II | 68 (37) |
III | 61 (32) |
IV | 3 (1) |
Tumor perforation | 7 (4) |
Invasion of surrounding organs | 16 (8) |
Degree of differentiation | |
Well | 41 (22) |
Moderate | 133 (71) |
Poor | 13 (7) |
Neoadjuvant therapy | 120 (64) |
Type of surgery | |
APR | 35 (19) |
Low anterior resection | 144 (76) |
Local excision | 9 (5) |
Laparoscopic surgery | 25 (13) |
Postoperative complications | 39 (21) |
Adjuvant therapy | 65 (34) |
Number of patients with recurrence | 53 (28) |
Median follow-up period | 57 months |
Median recurrence-free survival | 54 months |
Median survival after recurrence | 25 months |
Median overall survival | 75 months |
2-year overall survival | 73% |
5-year overall survival | 54% |