Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , the mild interstitial edema has essentially resolved . Slightly low bilateral lung volumes , but otherwise the lungs are clear without focal consolidation . No pleural effusion or pneumothorax . Probable top normal heart size . Mediastinal contours and hila are unchanged . Prominent dextroconvex scoliosis and mild degenerative changes of the thoracic spine are unchanged .
    OUTPUT:
    
1 . Interval resolution of mild interstitial edema since ___ . 2 . No acute cardiopulmonary process .