Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . There is a new moderate sized hiatal hernia with streaky opacities in the left lower lobe which can probably be attributed to associated atelectasis . In addition , there is a small left - sided pleural effusion . Although a small portion of the right costophrenic sulcus is excluded , there is no evidence for pleural effusion on the right side . There is no free air .
    OUTPUT:
    
1 . New moderate to large hiatal hernia with associated suspected atelectasis . 2 . Small left - sided pleural effusion .