Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a and c, standard dose images; b and d, low dose images) 76 year-old male (body weight 73 kg) who underwent chest CT as a follow-up study for a ground-glass pulmonary nodule. A purely ground-glass nodule in right upper lobe was clearly visualized both with standard dose CT and low dose CT (arrow).
