Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs . Pleurx catheter is in stable position in the left medial pleural space . Again noted is a left upper lobe mass consistent with known malignancy . Left mid and lower lobe consolidations are unchanged . There is no pleural effusion or pneumothorax . The heart size is normal .
    OUTPUT:
    
No pleural effusion .