Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the prior examination dated ___ , there has been no significant interval change . Slightly decreased lung volumes accounts for the increased bronchovascular markings . Linear left lower lobe atelectasis is noted . There is no evidence of focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Slightly low lung volumes without acute cardiopulmonary process .