Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a pleural pigtail catheter at the right costophrenic angle with improvement in the previously described right - sided pleural effusion . The right lung is well aerated . There is complete opacification of the left hemithorax likely reflecting components of left lung collapse and pleural fluid . This hemithoracic opacification obscures the heart and mediastinal contours . Again , there is marked dextroscoliosis of thoracic spine .
    OUTPUT:
    
1 . Right pleural pigtail catheter placement without evidence of pneumothorax and improvement in right pleural effusion . 2 . Left hemithoracic opacification reflecting components of pleural effusion and left lung collapse .