The number of people who develop lung nodules is relatively high. 1. a study published by the Fleischner Society in 2017, from adult chest CT data obtained from 2006 to 2012, roughly estimated the prevalence rate to be 31.2% (1.5 million/4.8 million), but in reality it is going to be lower than this value because multiple nodules were not excluded. 2. more and more people over the age of 40 get lung nodules in China. 2020 Hangzhou City Express released a medical examination report covering 270,000 people, according to the medical examination, lung nodules have entered the top ten ranks, Hangzhou major hospitals medical examination of the population in the detection rate of lung nodules for 23.6% to 37.05%. However, lung nodules are not equal to lung cancer. When lung nodules are detected, you should relax, go to respiratory medicine or thoracic surgery and listen to the doctor’s advice.