Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Relative crowding of the bronchovascular markings are likely secondary to low volumes . An opacity in the right lower lobe most likely represents vessels , with no correlate on lateral view . The cardiomediastinal silhouette is normal . There is no pleural effusion or pneumothorax . There is no focal lung consolidation .
    OUTPUT:
    
No definite pneumonia . However , given low lung volumes a repeat chest radiograph during full inspiration is recommended .