Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . Heart size is top normal size with a left ventricular configuration , unchanged . A left lower lobe calcified granuloma is unchanged since ___ . Mediastinal silhouette and hilar contours are normal . No displaced rib fracture is identified . There is no free air under the diaphragm .
    OUTPUT:
    
No acute intrathoracic process .