Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Overall exam is unchanged with expected postoperative appearance of the mediastinum given neoesophagus . Stable right lower lung atelectasis and possible small right pleural effusion are unchanged . Improved left lower lung opacification ; however , new nodular opacification is identified in the periphery of the left lower lung . Unchanged cardiomediastinal and hilar contours . No pneumothorax .
    OUTPUT:
    
Expected postoperative appearance given esophagectomy . New nodular opacity in left lower lung may be residual from improving retrocardiac opacity . Attention on follow - up .