Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes . Small bilateral pleural effusions . No focal consolidation , pulmonary edema , or pneumothorax . The cardiomediastinal silhouette is normal . Apparent widening of the mediastinum is secondary to lack of full inspiration . No subdiaphragmatic intra-abdominal free air .
    OUTPUT:
    
Small bilateral pleural effusions .