Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The moderate size , loculated left basal hydropneumothorax though traversed by a pigtail drain , has increased slightly since ___ . A small , left fissural fluid loculation is stable . A band of atelectasis persistently distorts the left heart border . The hilar and mediastinal contours are otherwise unremarkable . The right lung and pleural space are normal .
    OUTPUT:
    
Slight interval increase in moderate , loculated left basal hydropneumothorax despite indwelling pigtail drain . Stable atelectasis in the lingula and small left fissural pleural effusion . These findings were discussed with Dr . ___ at 12 :28 pm by Dr . ___ ___ , by telephone on the day of the exam .