Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a focal opacity overlying the right lower lobe with silhouetting of the right hemidiaphragm . Otherwise , the left lung is clear . The cardiomediastinal silhouette is normal . No acute fractures are identified .
    OUTPUT:
    
Right lower lobe opacity , with silhouetting of the right hemidiaphragm is most consistent with right lower lobe pneumonia . However , a peripheral infarction due to pulmonary embolism can not be excluded . A followup radiograph in 6 weeks after resolution of symptoms is recommended .