Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small right pleural effusion . The lung volumes are normal . Normal size of cardiac silhouette . No focal parenchymal opacity suggesting pneumonia . No pulmonary edema . No pneumothorax . Normal hilar and mediastinal contours . Mild thoracolumbar scoliosis .
    OUTPUT:
    
Small right pleural effusion