Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear bilaterally on frontal radiographs . On lateral radiograph , there is a poorly defined opacity projecting over the heart which can not be localized on the frontal projections . There are no masses or lesions identified . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is within normal limits . There is mild - to - moderate degenerative change seen along the thoracic spine . Pleural surfaces are unremarkable .
    OUTPUT:
    
No evidence of CHF . Ambiguous opacity projecting over the heart on lateral view . Recommend oblique radiographs to better localize this finding , which may represent an infection . These findings were discussed with Dr . ___ at 3 :07 p .m . by ___ .