The differential diagnosis of symmetric diffuse lung consolidation is heavily weighted towards two diagnoses. Understand how this can improve your diagnostic accuracy, and learn when to look for other causes.

• Some of the case images in this talk appear courtesy of Ahmed El-Sherief, MD

• Suggested CaseStacks.com cases:

• https://www.casestacks.com/chest/chest-ct/practice/case-13/

• https://www.casestacks.com/chest/radiographs/lung/classic-case12/

• https://www.casestacks.com/chest/radiographs/practice-cases/case30/