Correct!
3. Nodular, lymphocytic interstitial pneumonia
Larger pulmonary parenchymal nodules are seen with the nodular type of pulmonary amyloidosis (0.5-5.0 cm nodules in size). The tracheobronchial type of pulmonary amyloidosis has no known association with LAM and therefore, choice 1 is incorrect. Diffuse parenchymal nodules can occur in the lungs and are usually seen in the setting of smaller micronodules (2-4 mm). However, previously described case reports in the literature have identified a relationship between lymphocytic interstitial pneumonia (LIP) and amyloidosis. Furthermore, in some cases, cystic lesions may be not solely be on the basis of amyloidosis but also due to concomitant LIP. Therefore, the best answer is 3.
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