Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A moderate - sized right pleural effusion , with fluid tracking along the right minor fissure , is better seen on the CT torso examination . There is severe right lower lobe atelectasis . The left lung is clear . The heart is mildly enlarged . There is no pneumothorax or left pleural effusion . A percutaneous catheter terminates under the right diaphragm , as seen on the CT exam .
    OUTPUT:
    
Moderate right pleural effusion with severe right lower lobe atelectasis , better seen on the CT torso examination performed earlier .