Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest show diffuse bilateral multifocal alveolar opacities with apparent sparing at the right lung base . Opacification at the left lung base is unchanged from the preceding radiograph of ___ . Small bilateral pleural effusions on the left greater than the right are slightly improved from ___ . No pneumothorax is present . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits . No pulmonary vascular congestion is present .
    OUTPUT:
    
Short interval development of diffuse multifocal opacities from ___ be due to non-cardiogenic edema or multifocal pneumonia . Differential diagnosis would also include pulmonary hemorrhage , pneumocystis jiroveci pneumonia , or septic emboli , but these entities are less consistent with the clinical history as provided by ___ of medicine by phone at 14 :00 p .m . on ___ .