Table 4 Pulmonary Metastasis Prediction Model scale for patients with IPNs after radical esophagectomy
Predictive marker | Model points |
|---|---|
Pathologic N category | |
0 | 0 |
1 | 1 |
2 | 2 |
3 | 3 |
Number of IPNs | |
< 3 | 0 |
≥ 3 | 3 |
Shape of the largest IPN | |
Round or round-like | 2 |
Others | 0 |
Time of detection of IPNs (years) | |
< 1 | 0 |
1–2 | 1 |
> 2 | 2 |
Size of the largest IPN (mm) | |
< 5 | 0 |
5–10 | 3 |
10–30 | 4 |
> 30 | 6 |