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Tissue absorption (mW/cm2)
| 630 nm | 650 nm | ||
|---|---|---|---|
| Biliary duct | |||
| Air | 7.8 ± 0.09 | Air | 10.4 ± 0.10 |
| Area 1 | 2.3 ± 0.10 | Area 1 | 4.1 ± 0.06 |
| Area 2 | 1.3 ± 0.16 | Area 2 | 3.6 ± 0.18 |
| Area 3 | 0.9 ± 0.07 | Area 3 | 3.6 ± 0.05 |
| Esophageal wall | |||
| Air | 8.1 ± 0.16 | Air | 9.5 ± 0.35 |
| Area 1 | 1.9 ± 0.11 | Area 1 | 3.3 ± 0.06 |
| Area 2 | 1.9 ± 0.11 | Area 2 | 3.1± 0.14 |
