Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is no focal consolidation , pleural effusion or pneumothorax . Heart size is normal . Mediastinal silhouette and hilar contours are normal , noting an aortic " nipple " likely from traversing left superior intercostal vein . Note again made of a round 5 mm radioopaque foreign body projecteing over the neck .
    OUTPUT:
    
No pneumonia , edema , or effusion .