Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Extensive airspace consolidation is noted bilaterally . On the left , consolidation aid involves the lingula and on the right there is predominately involvement of the right upper lobe and possibly right middle lobe . Findings are compatible with pneumonia . There is a small left pleural effusion . Cardiomediastinal silhouette appears grossly unchanged . Difficult to exclude a component of edema / congestion . No pneumothorax . Bony structures are intact .
    OUTPUT:
    
Multifocal pneumonia . Small left effusion . Difficult to exclude a component of mild edema / congestion .