Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , lung volumes have increased and there has been interval removal of a right - sided PICC line . The cardiomediastinal and hilar contours are within normal limits . Slight prominence of interstitial lung markings could relate to patient 's known underlying emphysema . There is no focal consolidation , pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary findings .