Harin Patel

All articles by Harin Patel

The Solitary Pulmonary Nodule

What every physician needs to know: The solitary pulmonary nodule (SPN) is a spherical radiographic opacity that measures less than 3 cm in diameter and is completely surrounded by lung tissue. The popular but misleading term “coin lesion” should be discouraged, as most SPNs are spherical, not round and flat. Patients with SPNs are usually…

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