Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right IJ catheter is seen with tip terminating over the lower SVC . There is no pneumothorax . Relatively low lung volumes with bibasilar opacities , likely due to atelectasis in this setting of low lung volumes . Cardiac silhouette is enlarged , likely due to poor inspiratory effort with possible superimposed mild cardiomegaly . Elevation the left hemidiaphragm is seen . Dense atherosclerotic calcifications are again noted at the aortic arch .
    OUTPUT:
    
Right IJ catheter with tip terminating over the lower SVC . No pneumothorax .