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| Patient ID (photo ID) | Positivity at the apical membrane (beneath cilia) | Cytoplasmic positivity and nuclear reinforcement |
|---|---|---|
| CF-1 (a) | 3 | 1 |
| CF-2 (b) | 3 | 1 |
| CF-3 (c) | 3 | 1 |
| control-1 (d) | 1 | 3 |
| control-2 (e) | 0 | 1 |
| control-3 (f) | 1 | 2 |
Scoring was assessed on the basis of positivity of the immunostaining at the proximal and cytoplasmic level: 0 = absent; 1 = mild, granular; 2 = moderate; 3 = intense, diffuse.
