Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Airspace opacity in the lower lobes concerning for multifocal pneumonia . Trace pleural fluid tracks along the fissural surfaces . No pneumothorax . Mild congestion difficult to exclude though there is no overt edema . Mild cardiomegaly again noted . Mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
Multifocal pneumonia , mild cardiomegaly , probable mild congestion .