Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a large left - sided pleural effusion which is new since all the prior studies as well collapse of the left lower lobe . There is also a new small right - sided pleural effusion . Cardiac size is not able to be assessed due to effusion . There is no pneumothorax .
    OUTPUT:
    
New large left - sided pleural effusion . Also new small right - sided pleural effusion .