Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the chest radiograph obtained 2 days prior , there has been interval removal of left - sided chest tube . A small left basilar pneumothorax persists . Small , bilateral pleural effusions and bibasilar atelectasis have increased . Mild cardiomegaly is unchanged . No pulmonary vascular congestion and pulmonary edema .
    OUTPUT:
    
Persistent , small , left basilar pneumothorax . Substantially increased subcutaneous emphysema tracking along the lateral left chest wall into the neck may have happened at the time of chest tube removal , but raises the possibility of a connection between the pleural space in subcutaneous tissues . Attention on follow - up .