Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a hiatal hernia . Bilateral lower lobe atelectasis is worse on the left . The lung volumes are low . There are probable small bilateral pleural effusions . Mild cardiomegaly is stable . No pneumothorax . The aortic knob is calcified .
    OUTPUT:
    
1 . Bilateral lower lobe atelectasis is worse on the left . 2 . Probable small bilateral pleural effusions . 3 . Small hiatal hernia .