Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs again demonstrate the ill - defined opacity in the superior segment of the right lower lobe . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Right lower lobe pneumonia . Followup radiographs in approximately four to six weeks are recommended to document resolution .