Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There are low lung volumes that accentuate the bronchovascular markings . Left base retrocardiac opacity is likely due to atelectasis . No definite focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are grossly stable .
    OUTPUT:
    
Low lung volumes , which accentuate the bronchovascular markings without definite focal consolidation . Dedicated PA view with deeper inspiration may be helpful for further evaluation .