Pathological tumor staging | Number of patients | MDCT | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Accuracy (%) | |||
N0 | N1 | N2 | N3 | |||||||
N0 | 9 | 3 | 6 | 0 | 0 | 33.33 | 100 | 100 | 53.85 | 62.5 |