Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a normal cardiomediastinal silhouette and fairly well - aerated lungs . There is mild left base atelectasis . A trace right pleural effusion is noted . A nodular opacity projecting over the left lower lung is again seen , now measuring 7 mm . As before , this is consistent with a calcified granuloma . No focal consolidation or pneumothorax is identified . No fracture is visualized .
    OUTPUT:
    
1 . Left base atelectasis . 2 . Small right pleural effusion . 3 . No fracture visualized . 4 . Unchanged nodular opacity projecting over the left lower lobe .