The differential diagnosis of multiple larger pulmonary nodules (>5 mm) is broad, but includes:
- neoplastic:
- metastases (most common)
- lymphoma
- synchronous primary lung cancers
- infections:
- inflammatory/immune:
- vascular:
- pulmonary arteriovenous malformations
- often associated with hereditary hemorrhagic telangectasia
- pulmonary arteriovenous malformations