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.
Serial MDCT scans of the growing pGGN. (A) The baseline MDCT shows a pGGN (mean diameter, 12 mm) in the anterior segment of the right upper lobe. The follow-up CT scans performed at 12 (B), 25 (C), 42 (D), 106 (E) and 120 months (F) demonstrate the stepwise progression of the lesion from pGGN to solid nodule. Asterisks, bubbly lucencies; Curved arrows, solid component; Arrowhead, calcifications.
