Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A retrocardiac opacity with slight leftward shift of the mediastinum is consistent with the patient 's known chronic left lower lobe collapse . Relative hyperlucency and mild hyperinflation is new in the right lung which may be secondary to new or worsened asthma and bronchospasm or from decreased perfusion , possibly due to a pulmonary embolism . There is no pleural effusion or pneumothorax . There is no new consolidation . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
1 . Hyperlucency and mild hyperinflation on the right may represent acute bronchospasm or oligemia from pulmonary embolism . 2 . Stable left lower lobe collapse . Results were discussed with Dr . ___ at 12 :25 p .m . on ___ via telephone by Dr . ___ .