Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal with mild tortuosity of the thoracic aorta . There is mild prominence of the central pulmonary vasculature without frank interstitial edema . Elevation of the left hemidiaphragm is unchanged since at least ___ . Bibasilar atelectasis is mild . Diffuse areas of increased bilateral parenchymal opacity likely corresponds to numerous areas of ground - glass opacities seen on recent chest CT .
    OUTPUT:
    
Subtle areas of bilateral increased parenchymal opacities , right greater than left likely corresponding to peribronchovascular ground - glass opacities on CT suggestive of pneumonia .