Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval resolution of left lower lobe opacity . New focal opacity projecting over the intersection of the ___ posterior and ___ anterior right ribs . No pneumothorax or pleural effusion . Heart size , mediastinal contour and hila are normal . No bony abnormality .
    OUTPUT:
    
1 . Poorly definted focal opacity projecting over the intersection of the ___ posterior and ___ anterior right ribs . If the patient has experienced recent infectious symptoms , a repeat radiograph in 4 weeks to assess for clearing after antibiotic would be recommended . Otherwise , consider Chest CT for further characterization . 2 . Interval resolution of left lower lobe opacity . On ___ report was entered into critical results by Dr .___ ___ to be conveyed to the referring physcian .