Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is known with esophageal cancer and esophageal stent that is unchanged . Left Port - A - Cath ends in upper atrium . New left pigtail projects at the lung base . Left pleural effusion has improved and is now small . There is no visible pneumothorax . Right moderate - to - severe pleural effusion with passive atelectasis is unchanged if we compare to scout view of CT scan , but worsened since ___ . Mediastinal and cardiac contours are within normal limits .
    OUTPUT:
    
Improvement of left pleural effusion that is is now small after a pigtail placement . There is no significant pneumothorax . Right pleural effusion is still moderate to severe .