Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . There are multifocal bilateral patchy opacities involving all lobes of the lungs , which are worse compared to the prior x-ray from 2 a .m . , especially on the right side . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Interval progression of multifocal patchy opacities involving all lobes of the lungs are highly worrisome for rapidly progressing multifocal pneumonia .