Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest PA and lateral radiograph demonstrates bilateral low lung volumes . Mediastinal and main pulmonary artery engorgement with dense air space opacification noted throughout both lungs as well as hazy pulmonary vasculature likely representing edema . Hear size is minimally enlarged . Retrocardiac opacity is likely atelectasis .
    OUTPUT:
    
Diffuse bilateral opacities with hazy pulmonary vasculature likely represents pulmonary edema ; however , concurrent pneumonia can not be excluded . Recommend repeat conventional radiographs when feasible .