Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . Allowing for this , there is no convincing evidence of consolidation , pulmonary edema , pleural effusion or pneumothorax . The cardiac and mediastinal contours are normal . There is no free air beneath the right hemidiaphragm .
    OUTPUT:
    
Low lung volumes but no convincing evidence of pneumonia .