Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval removal of left pleural catheter , with interval decrease in size of loculated left pleural effusion with known associated pleural thickening consistent with history of mesothelioma . Cardiomediastinal contours are stable . Improved opacities in left lower lobe and lingula adjacent to pleural effusion , most likely due to atelectasis . Peripheral poorly defined right upper lobe nodule appears similar to the prior radiograph and has been more fully assessed by CT of the chest on ___ . It measures approximately 1 .8 cm and has irregular margins . Mild scoliosis is again demonstrated .
    OUTPUT:
    
1 . Right apical lung nodule is suspicious for primary lung malignancy . 2 . Decreased left pleural effusion with residual loculated fluid and pleural thickening in left hemithorax consistent with history of mesothelioma . 3 . Improving atelectasis in lingula and left lower lobe and lingula .