Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The large left pleural effusion has resolved after placement of a left chest tube and pleural drain . There is a small to moderate loculated left basilar pneumothorax . There is probably no right - sided pleural effusion . The cardiomediastinal silhouette is stably mildly enlarged . Aortic arch stent graft projects in unchanged position . There is no focal consolidation or pulmonary edema .
    OUTPUT:
    
Large left pleural effusion has resolved , new small to moderate loculated left basilar pneumothorax .