Medicine BAL of a patient shows foamy macrophages with decreased CD4: CD8 ratio. What is the diagnosis? A Sarcoidosis B Hypersensitivity pneumonitis C Organising pneumonia D Diffuse alveolar hemorrhage 💡 Explanation BAL of a patient shows foamy macrophages with decreased CD4: CD8 ratio. What is the diagnosis? ✓ Correct Answer: C. Organising pneumonia