Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The previously seen left upper extremity PICC is no longer visualized . A 14 mm nodular opacity projects over the spine on the lateral view . No pleural effusion , pneumothorax or focal airspace consolidation . Heart is normal size . The mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
1 . Left upper extremity PICC is no longer visualized . 2 . Nodular opacity projecting over the spinal lateral view is likely a vessel superimposed over an osteophyte . SHALLOW OBLIQUES on the LATERAL view are recommended to exclude a nodule , however .