The price of a spiral CT of the lungs ranges from $350 to $8,000 and varies depending on the accuracy of the CT and the rates charged by different hospitals. Generally speaking, in a tertiary hospital, ordinary CT is around $350, high-resolution CT is around $450, enhanced spiral CT, which requires the addition of enhancers during the process, is around $1,000, and PET-CT is around $8,000. For physical examination screening, ordinary spiral CT and high-resolution CT can be used for basic diagnostic screening. Through the CT examination, you can often observe the lungs with or without high-density shadow, observe the state of the bronchial tubes with or without dilatation, narrowing. CT is a tomographic scanning technique that distributes the density of tissue structures at various levels and can effectively identify abnormal tissue lesions. The cost ranges from $350 to $8,000.