Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The esophagus is diffusely , severely dilated and patulous . There is no overt pneumomediastinum identified . Dense consolidation within the left lower lobe obscures the left hemidiaphragm , unchanged from prior examination . The remainder of the lungs are clear . A left pleural effusion is likely There is no right pleural effusion or pneumothorax . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
1 . Massively dilated esophagus . No evidence of pneumomediastinum . 2 . Stable , dense left lower lobe consolidation . Findings may represent adjacent atelectasis , although underlying infection is not excluded .