Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A frontal upright view of the chest was obtained portably . The patient is rotated to the right . The previously seen right basilar opacity has improved . No new opacity is seen . There is left basilar scarring . A small left pleural effusion is new . No evidence of pulmonary edema . Cardiac and mediastinal silhouettes are unchanged allowing for differences in rotation . Old left rib fractures are noted .
    OUTPUT:
    
1 . Improvement in right basilar opacity . No new opacity . 2 . New small left pleural effusion . 3 . No edema .