Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There has been interval removal of the right PICC . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . Heart size is normal . Mediastinal silhouette and hilar contours are normal . Mild degenerative changes seen at the right acromioclavicular joint . Linear metalic density projects over right neck as on prior .
    OUTPUT:
    
No pneumonia , edema or effusion .