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Distribution of EBUS-confirmed lymph nodes on ATS regions
| ATS regions | Anthracosis n (%) | Malignant n (%) | Total n (%) |
|---|---|---|---|
| 2R | 3 (3.4) | 1 (1.9) | 4 (2.8) |
| 2L | 1 (1.1) | 0 (0) | 1 (0.7) |
| 4R | 8 (9.0) | 5 (9.3) | 13 (9.1) |
| 4L | 5 (5.6) | 2 (3.7) | 7 (4.9) |
| 7 | 35 (39.3) | 19 (35.2) | 54 (37.8) |
| 10R | 19 (21.3) | 12 (22.2) | 31 (57.4) |
| 10L | 2 (2.2) | 5 (9.3) | 7 (4.9) |
| 11R | 13 (14.6) | 7 (12.9) | 20 (14.0) |
| 11L | 3 (3.4) | 3 (5.6) | 6 (4.2) |
| Total | 89 (100) | 54 (100) | 143 (100) |
EBUS, endobronchial ultrasound; ATS, American Thoracic Society.
