The right upper lobe is collapsed, while the left upper lobe is markedly overdistended. The mediastinum is displaced towards the right.
The echocardiogram is normal.
Full Blood Count
WBC: 14,200/mm3 (6,000-18,000)
Hb: 11.2 g/dL (9.4-13)
Platelets: 336,000/dL (150,000-450,000)
The left upper lobe is hyperlucent and grossly hyperinflated, while the left middle and right upper lobes are collapsed. There is significant mediastinal shift towards the right.