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Overall frequency of organ involvement at the time of diagnosis (patients could have more than one organ involved) adapted from Baughman RP et al., 2001. [4].
| Organ Involvement | Frequency, % |
|---|---|
| Lung | 90 |
| Skin (excluding EN) | 16 |
| Erythema nodosum (EN) | 8 |
| Eye | 12 |
| Extrathoracic lymph node | 15.2 |
| Liver | 12 |
| Spleen | 7 |
| Neurologic | 5 |
| Cardiac | 2 |
