Correct!
4. 1 and 3
There are areas of ground-glass opacification best seen in the lower power images (Figure 1A-C). There are also multiple, small pulmonary nodules in no particular patter. There is no evidence of honeycombing which are clustered cystic air spaces (between 3-10 mm in diameter, but occasionally as large as 2.5 cm) that are usually subpleural, peripheral and basal in distribution.
Which of the following are causes of small pulmonary nodules and mosaic ground-glass opacities? (Click on the correct answer to be directed to the fourth of seven pages.)