Correct!
4. 1 and 3

There are two masses, one in the right middle lobe and the other in the left lower lobe. Both are relatively large at over 2 cm. There is no significant mediastinal lymphadenopathy. The concern is that the lung lesions might be malignant.

Which of the following characteristics of lung masses are associated with malignancy? (Click on the correct answer to proceed to the next panel)

1. Concave margins
2. Convex margins
3. Linear or angular shape
4. Lipid density
5. All of the above

Home/Pulmonary