Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are poorly inflated . Retrocardiac patchy opacity seen on the lateral view , not substantiated on the frontal view is likely due to atelectasis , but developing consolidation is not entirely excluded in the appropriate clinical setting . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . No displaced fracture is seen .
    OUTPUT:
    
Low lung volumes . Retrocardiac patchy opacity seen on the lateral view , not substantiated on the frontal view is likely due to atelectasis / bronchovascular crowding , but developing consolidation is not entirely excluded in the appropriate clinical setting .