Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right upper extremity PICC terminates in the distal superior vena cava . Lung volumes are minimally improved . There is an unchanged infiltrative pulmonary abnormality , right greater than left , consistent with the history of ARDS . A more focal area of airspace consolidation seen in the right upper lobe is new . Cardiac and mediastinal contours are unchanged . There is no pneumothorax or definite pleural effusion .
    OUTPUT:
    
New right upper lobe airspace opacification which may reflect asymmetric pulmonary edema or a developing pneumonia .