Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is an opacity in the lingula , concerning for pneumonia . The right lung is essentially clear . There is no pleural effusion , pulmonary edema , or pneumothorax . The cardiomediastinal silhouette and hilar contours are normal . There is mild S shaped scoliosis .
    OUTPUT:
    
1 . Lingular pneumonia .