Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single upright AP view of the chest was reviewed . There has been interval placement of a left pigtail , whose tip impinges on the mediastinum . The left pneumothorax has decreased in size , now with a maximum measurement of 1 .4 cm from the lung apex . There is new left lower lobe atelectasis with small bilateral pleural effusions . Left posterolateral sixth and seventh rib fractures are again noted . The mediastinal and hilar contours are unremarkable with calcification at the right hilum . There is no focal consolidation concerning for pneumonia . Dextroscoliosis of the thoracic spine is noted .
    OUTPUT:
    
Interval placement of a left pigtail , very medial in position , with improvement in the left apical pneumothorax . New left lower lobe atelectasis and small bilateral pleural effusions .