Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are low . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . The cardiomediastinal silhouette is accentuated due to low lung volumes . There is resultant bronchovascular crowding , but no overt pulmonary edema . No evidence of free air beneath the diaphragms is seen . Residual contrast is seen in the renal collecting systems which appears dilated on the right .
    OUTPUT:
    
1 . No evidence of free air beneath the diaphragms . 3 . Low lung volumes . 3 . Residual contrast is seen in the renal collecting systems which appears dilated on the right . Trend creatinine .