Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph again demonstrates slightly low lung volumes and mild cardiomegaly . Diffuse interstitial opacities are unchanged . Perihilar congestion is decreased compared to ___ . No new focal consolidation , pleural effusion , or pneumothorax is seen .
    OUTPUT:
    
No acute cardiopulmonary process . Decreased perihilar congestion compared to ___ .