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Esophageal lesions’ distribution, according to the clinical T classification, and the diagnostic abilities of PET/CT and NBI
| T classification | ESCC or high-grade dysplasia | NBI-positive lesions | NBI-negative lesions | PET/CT-positive lesions | PET/CT-negative lesions |
|---|---|---|---|---|---|
| Negative | 132 | 20 | 112 | 3 | 129 |
| Tis | 5 | 5 | 0 | 0 | 5 |
| T1 | 5 | 5 | 0 | 1 | 4 |
| T2 | 3 | 3 | 0 | 2 | 1 |
| T3 | 2 | 2 | 0 | 2 | 0 |
| T4 | 0 | 0 | 0 | 0 | 0 |
ESCC esophageal squamous cell carcinoma
