Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The mediastinal and hilar contours are unremarkable . Mild pulmonary edema is present . There is a small to moderate size left pleural effusion . Patchy opacity within the left lung base is concerning for pneumonia in the correct clinical setting . No pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild pulmonary edema with small to moderate size left pleural effusion . Focal opacity within the left lung base is concerning for pneumonia in the correct clinical setting .