Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP chest radiograph . Lungs are low in volume with right apically directed chest tube redemonstrated . Persistent basilar opacity likely relates to a combination of atelectasis , pleural effusion and surgical changes after pleural mass resection . Aeration of the right lung nodule is unchanged with increasing left basal opacity suggesting atelectasis . No pleural effusion is identified . There is no pneumothorax . The heart and mediastinal contours are unchanged . No pulmonary edema seen .
    OUTPUT:
    
Unchanged right basal opacity reflecting a combination of atelectasis , effusion postsurgical changes . Slight increase in left basilar atelectasis . Resolved edema .