Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left lower lobe mass with complete collapse of the lobe is unchanged since previous exam ; however , adjacent moderate - to - severe pleural effusion has increased . There is no pneumothorax . The right lung is unremarkable . Mediastinal and cardiac contours are not dilated , but hard to assess throughout the lung and pleural abnormalities .
    OUTPUT:
    
Patient is known with left lower lobe mass and collapse . Left moderate - to - severe pleural effusion has increased .