Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The lungs are hyperinflated with upper lobe lucency and splaying of bronchovasculature which is compatible with underlying severe emphysema . Increased diffuse mid - to - lower lung opacities could represent pulmonary edema or an atypical infection . Small bilateral pleural effusions are also seen . The heart is mildly enlarged . The aorta is unfolded . Bony structures appear intact . A compression deformity in the mid thoracic vertebra appears stable from the prior CT .
    OUTPUT:
    
Severe emphysema with diffuse irregular mid - to - lower lung opacities which could represent pulmonary edema versus infection . Mild cardiomegaly and small bilateral effusions also noted .