Table 1 Characteristics of patients with locally advanced rectal cancer who underwent neoadjuvant chemoradiotherapy
Category | n (%) | |
|---|---|---|
Age (years) | ≤ 63 | 48 (52%) |
≥ 63 | 45 (48%) | |
Sex | Male | 68 (73%) |
Female | 25 (27%) | |
Adjuvant therapy | Yes | 65 (70%) |
No | 28 (30%) | |
Clinical T stage | T3 | 68 (73%) |
T4 | 25 (27%) | |
Clinical N stage | N1 | 51 (55%) |
N2 | 26 (28%) | |
N3 | 16 (17%) | |
ypT stage | T0/T1 | 11 (12%) |
T2 | 28 (30%) | |
T3 | 49 (53%) | |
T4 | 5 (5%) | |
ypN stage | N0 | 53 (57%) |
N1–3 | 40 (43%) | |
Pathological TNM stage | 0/I | 29 (31%) |
II | 23 (25%) | |
III | 41 (44%) | |
Radiotherapy | Short-course (20 Gy/4 fractions) | 24 (26%) |
Long-course (45 Gy/25 fractions) | 69 (74%) | |
Pathological response | Non-responder (grade 0/1a/1b) | 59 (63%) |
Responder (grade 2/3) | 34 (37%) | |
Histology | Well/moderate | 81 (87%) |
Poorly/mucinous/signet | 12 (13%) | |
Recurrence | Absent | 58 (62%) |
Local | 11 (12%) | |
Distant | 24 (26%) | |