Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval improvement in bilateral pulmonary vascular congestion and overall improved aeration consistent with resolving pulmonary edema . Opacifications noted in the left lung base , likely represent atelectasis , though resolving pneumonia is a possibility . No pleural effusions or pneumothorax . The pulmonary arteries are somewhat prominent , suggesting a degree of pulmonary hypertension . Otherwise , the cardiomediastinal and hilar contours are unremarkable . Atherosclerotic calcifications are noted in the aortic arch .
    OUTPUT:
    
Resolving pulmonary edema . Left lower lung opacifications , likely atelectasis though resolving pneumonia in the appropriate clinical setting is possib .