Assessment of a Radiomics-based Computer-Aided Diagnosis Tool for Pulmonary nodulES

Inclusion Criteria: 1. Male or female, aged 35-89 years 2. Scheduled to be evaluated at a UPHS PN clinic 3. Newly discovered solid or part-solid indeterminate PN 8-30mm in maximal diameter on CT imaging within 60 days of index clinic visit 4. Chest CT imaging meeting the technical requirements for compatibility with Optellum Virtual Nodule Clinic software Exclusion Criteria: 1. Chest CT imaging with discrete mediastinal or hilar lymphadenopathy by CT size criteria (\>10mm in maximal short-axis diameter on axial CT images) 2. PNs with popcorn calcification (consistent with benign etiology) 3. Pure ground-glass subsolid PNs (may be associated with lower risk of clinically significant malignancy) 4. PN previously seen on CT imaging \>60 days prior to most recent CT 5. More than one indeterminate PN 8-30mm in maximal diameter 6. History of lung cancer 7. History of active cancer within the previous 5 years 8. Presence of a thoracic implant that impedes PN visualization