Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a heart which is top - normal in size and fairly well - aerated lungs . There is no focal consolidation , pleural effusion , or pneumothorax . The lingular opacity is no longer appreciated . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
Interval resolution of the previously noted lingular opacity .