Medically reviewed by Douglas A. Nelson, MD Fact checked by Angela Underwood A solitary pulmonary nodule (SPN) is an isolated ...

Multiple models are available to estimate the pretest probability of malignant pulmonary nodules. These models were validated for evaluation of solitary pulmonary nodules. In this article ...

Reduced detection on low-dose CT scans using CAD systems more pronounced for nodules measuring less than 5 mm.

Nodule size is based on average length and width. Nonsolid (ground glass) or partially solid nodules may require longer follow-up. CT: Computed tomography.