Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes which accentuate the bronchovascular markings . There is persistent elevation of the right hemidiaphragm . No large pleural effusion is seen . There is no evidence of pneumothorax . Perihilar opacities may be exaggerated by low lung volumes although mild vascular engorgement is not excluded . The cardiac silhouette is mildly enlarged . Old right clavicular fracture is redemonstrated .
    OUTPUT:
    
There are low lung volumes which accentuate the bronchovascular markings . There is persistent elevation of the right hemidiaphragm . No large pleural effusion is seen . There is no evidence of pneumothorax . Perihilar opacities may be exaggerated by low lung volumes although mild vascular engorgement is not excluded . The cardiac silhouette is mildly enlarged . Old right clavicular fracture is redemonstrated .