Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to ___ , there is no significant change . Extensive left basal atelectasis and consolidation remains . The small left apical pneumothorax is stable . The right lung is mostly well expanded . Lower lobe nodule is not well evaluated on this exam . Right basal scarring is unchanged . Small right pleural effusion is possible . The heart size is difficult to evaluate , however is mostly unchanged compared to prior . There is no significant pulmonary edema . The left chest tube is unchanged in position .
    OUTPUT:
    
Unchanged extensive left basal consolidation and atelectasis . Stable small left apical pneumothorax .