Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previously noted pigtail chest tube has been removed . No definite pneumothorax is seen . Subcutaneous emphysema within the left neck and left lateral chest and abdominal wall appears slightly increased compared to the prior exam . Hazy opacification within the left lung base likely reflects a combination of a small pleural effusion with left basilar atelectasis . Patchy right basilar atelectasis is also demonstrated . There is no pulmonary edema . The cardiac , mediastinal and hilar contours are unchanged .
    OUTPUT:
    
No pneumothorax identified post removal of chest tube . Slightly increased amount of subcutaneous emphysema along the left neck and left lateral chest and abdominal wall . Small left pleural effusion and bibasilar atelectasis .