Presentation
Shortness of breath. Weight loss.
Patient Data
Age: 55 years old
Gender: Female
From the case:
Left lower lobe collapse
Frontal

Triangular density behind the heart.
The left hilum is inferiorly displaced.
Volume loss in the left hemithorax.
Case Discussion
All the classical features of a tight left lower lobe collapse:
1. Left retrocardiac density shaped like a sail - the 'sail sign'
2. Volume loss in the hemithorax.
3. Inferiorly displaced 'hidden' left hilum.
This is due to lung cancer until proven otherwise.
This is a classic rapid reporting or viva film for the FRCR 2B.