Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Small left pleural effusion appears to have increased compared to 1 day prior . Left lung base atelectasis is also increased . Cardiac silhouette is within normal size . Aortic contour is tortuous . Large hiatal hernia is noted . No rib fracture is appreciated on this radiograph . No pneumothorax .
    OUTPUT:
    
Increased small left pleural effusion and left lung base atelectasis compared to 1 day before .