Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is marked elevation of the left hemidiaphragm , with adjacent compressive atelectasis . Gas is seen within the splenic flexure . There is mild central pulmonary vascular congestion with mild interstitial edema , new since ___ . There is no pneumothorax or pleural effusion . The heart size is normal .
    OUTPUT:
    
New central vascular congestion with mild interstitial edema .