Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a left internal jugular central venous catheter which terminates at the brachiocephalic / SVC junction without evidence of pneumothorax . The patient is status post median sternotomy . The aorta is calcified and tortuous . The cardiac silhouette is top - normal . 8 mm nodular opacity projecting over the right upper lung appears calcified and may represent a calcified granuloma . This can be confirmed on nonurgent chest CT . Lateral left base scarring is again seen .
    OUTPUT:
    
Interval placement of left internal jugular central venous catheter terminates at the SVC / brachiocephalic junction without evidence of pneumothorax . Again seen ___ mm nodular opacity projecting over the right upper lung appears calcified , may represent a calcified granuloma . Findings can be confirmed on non emergent chest CT .