Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided dual lumen subclavian central venous catheter tip terminates within the proximal right atrium , coursing through a vascular stent within the left brachiocephalic vein and superior vena cava . Cardiac silhouette size is normal . Mild rightward deviation of the trachea with left superior mediastinal mass compatible with a known thyroid goiter is unchanged . Hilar contours are unchanged . Pulmonary vasculature is not engorged . Subsegmental atelectasis is noted in the lung bases without focal consolidation . No pleural effusion or pneumothorax is demonstrated . Marked degenerative changes of the left glenohumeral joints and remote right posterior rib are re - demonstrated .
    OUTPUT:
    
No pulmonary edema or pneumonia .