Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal contours are unremarkable . There is no pulmonary vascular congestion . Hazy ill - defined bibasilar airspace opacities are new from the prior exam . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
New bibasilar hazy ill - defined opacities concerning for pneumonia or aspiration , and atypical organisms should be considered .