Fig. (3) (A) Course of treatment of Case 3. The ordinate indicates the dose of 5-ALA (left) and the concentration of CRP (right). The abscissa indicates the date. The initial dose of 5-ALA was 750 mg/day. CRP decreased after April 10 and the dose of 5-ALA was decreased after April 16. (B) Chest CT scan of Case 3 taken on April 7. Ground-glass opacity at the right upper lobe. (C) Chest CT scan taken on May 7. Pulmonary lesions were almost completely improved.