Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval improvement of bilateral multilobular airspace disease . Trace left pleural effusion . Stable moderate hiatal hernia . Normal size of cardiac silhouette . No pleural effusions . No focal parenchymal opacity suggesting pneumonia . No pulmonary edema . No pneumothorax . Normal hilar and mediastinal contours . Chronic midshaft fracture of the right clavicle . Remote compression deformity of L1 vertebral body is unchanged . No new osseous abnormalities .
    OUTPUT:
    
Interval improvement of bilateral multifocal airspace disease . Unchanged trace left pleural effusion .