Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Left chest wall AICD extends into the region of the right ventricle , unchanged in position . The lungs are clear . No signs of pneumonia or CHF . No pleural effusion or pneumothorax is seen . The cardiomediastinal silhouette appears normal . Atherosclerotic calcification again seen along the aortic knob . Imaged bony structures appear intact . A calcified structure in the left paraspinal region of the upper abdomen corresponds with a left renal calcification seen on prior CT .
    OUTPUT:
    
No signs of pneumonia .