What are radiologic margins of lung nodules?

• Corona radiata sign. Fine linear strands extending 4-5 mm outward. 84 – 90% are malignant) • Scalloped border (Intermediate probability of cancer. Smooth border suggestive of benign diagnosis) Air bronchogram sign of malignancy Calcification sign of benign disease Popcorn calcification sign of hamartoma Eccentric calcification (might be malignant)