Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single surgical clip is seen over the right neck . There is no pleural effusion . There is no pneumothorax or focal airspace consolidation worrisome for pneumonia . A subtle , ill - defined opacity projects over the left lung apex . The previously seen left lung base opacity has since resolved . Heart size is normal . Mediastinal and hilar structures unremarkable .
    OUTPUT:
    
Subtle left apical opacity for which further evaluation with cross sectional imaging is recommended . No pleural effusion . These findings were discussed with Dr . ___ by Dr . ___ at 15 :05 on ___ via telephone at the time of discovery .