What imaging technique is primarily used to diagnose lung cancer?

CT scans are primarily utilized for diagnosing lung cancer due to their ability to provide detailed cross-sectional images of the lungs. This technology allows for the identification of small nodules or masses that may be indicative of cancer, as well as an assessment of the surrounding tissues, lymph nodes, and structures in the chest. CT scans offer higher sensitivity and specificity compared to other imaging modalities, making them the preferred choice for initial screening and evaluation of lung lesions.

In addition to their diagnostic utility, CT scans can also aid in treatment planning by providing critical information regarding tumor size, location, and potential involvement of nearby organs. This detailed imaging is vital for determining the most appropriate therapeutic approach, whether surgical resection, radiation therapy, or chemotherapy is warranted.