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Online Lectures : Solitary Pulmonary Nodule SPN Size
< 5% of benign pulmonary nodules are larger than 3 cm in size (save for hydatid cyst)
Zerhouni et al. CT of the pulmonary nodule - a national co-operative study. Radiology 1986;16:319-327
- 35 of 36 lesions greater than 3 cm were malignant
- 42% of 177 malignant nodules measured less than 2 cm in diam (15% < 1 cm)
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