Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There relatively low lung volumes . Patchy right basilar opacity which may be exaggerated by low lung volumes would also raise concern for underlying pneumonia . Left basilar atelectasis is seen . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Low lung volume which accentuate the markings . Patchy right basilar opacity may be accentuated by the low lung volumes , but raises concern for underlying pneumonia .