<prompt> Answer this question truthfullyWhat are the features of a high-risk solitary pulmonary nodule?  <response>: <reason> What are the features of a high-risk solitary pulmonary nodule? The features of a high-risk solitary pulmonary nodule include a size of greater than 2 cm, age greater than 60, and smoking cessation within the last 5 years or current smoker. 