Table 1 Baseline patient characteristics (n = 20)
Characteristic | n (%) |
|---|---|
Age, median (IQR) | 56.5 (47.5–66.0) |
Sex | |
Male | 16 (80.0) |
Female | 4 (20.0) |
ECOG performance status | |
1 | 1 (5.0) |
0 | 19 (95.0) |
Clinical tumor stage | |
T2 | 2 (10.0) |
T3 | 13 (65.0) |
T4a | 5 (25.0) |
Clinical nodal stage | |
N0 | 6 (30.0) |
N+ | 14 (70.0) |
Extramural vascular invasion | |
Positive | 9 (45.0) |
Negative | 11 (55.0) |
Mesorectal fascia | |
Positive | 6 (30.0) |
Negative | 14 (70.0) |
Distance from primary tumor to anal verge (cm) | |
<5 | 12 (60.0) |
5–10 | 8 (40.0) |
PD-L1 expression, TPS | |
≥1% | 3 (15.0) |
<1% | 17 (85.0) |
PD-L1 expression, CPS | |
≥1% | 20 (0.0) |
<1% | 0 (0.0) |
Baseline CEA level | |
Normal (<5 ng/mL) | 10 (50.0) |
Abnormal (≥5 ng/mL) | 10 (50.0) |
