Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Pneumoperitoneum is new compared to the prior exam . The heart size is top normal . The mediastinal and hilar contours are unchanged , with multiple calcified lymph nodes again demonstrated within the mediastinum and hilar regions . Numerous nodules are seen within both lungs , 1 of which is cavitating and located within the left upper lobe , as demonstrated on the prior chest CT . No pneumothorax or pleural effusion is noted . Increased interstitial markings within the lung bases may reflect mild pulmonary edema . No acute osseous abnormalities are detected . Cervical spinal fusion hardware is partially imaged .
    OUTPUT:
    
1 . New pneumoperitoneum . This finding was discussed by Dr . ___ with Dr . ___ at 21 :00 , ___ by phone . 2 . Diffuse pulmonary metastases , better assessed on prior chest CT . 3 . Increased interstitial markings at the lung bases likely suggestive of mild volume overload .