Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new left lower lobe airspace opacity , as well as ill - defined airspace opacities in the right mid to upper lung zones . The suggestion of cavitation in the left lower lobe , would require chest CT for confirmation . There is no pneumothorax or pleural effusion . The heart and mediastinum are within normal limits . Regional bones and soft tissues are unremarkable .
    OUTPUT:
    
Multifocal pneumonia is most pronounced , and possibly cavitated in , the left lower lobe .