Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . No prior . Low lung volumes are seen . There is , however , diffusely indistinct pulmonary vascular markings seen bilaterally without frank confluent consolidation nor effusion . The cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Limited exam with indistinct pulmonary vascular markings throughout which could potentially be to extremely low lung volumes , however , atypical infection or edema may have a similar appearance . If desired , repeat with better inspiratory effort on the frontal exam suggested .