Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior , lung volumes are lower . Diffuse right lung opacification has increased . Vascular congestion is also increased . There is no pneumothorax . Pleural effusions are small , if any .
    OUTPUT:
    
Worsening diffuse right lung opacity , unclear if related to worsening parenchymal process versus concurrent vascular congestion .