Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest were obtained . A calcified nodular opacity overlying the left lower lung field is consistent with a calcified granuloma and is better seen on CT performed in ___ . A hazy opacity over the left lung base is most likely due to overlying gynecomastia ; otherwise , the lung fields are clear bilaterally with no focal consolidation or nodules . No pleural effusion or pneumothorax . There is no free air below the right hemidiaphragm . There are atherosclerotic calcifications in the aorta . The cardiomediastinal silhouette is normal in size . Surgical clips in the left neck and sternal fixation wires are consistent with prior median sternotomy .
    OUTPUT:
    
No acute intrathoracic process .