And while doctors have long used CT scans to help diagnose cases of lung cancer, new research shows that those same scans can be used to better, and more quickly, diagnose COPD.

CT scans are considered less thorough than lab tests, but here's what physicians look for to detect the coronavirus in a scan. Normal lungs should appear black on a CT scan. Karan Bunjean/Shutterstock ...

To begin with, this type of emphysema looks like small holes on a CT scan. ... Doctors are more likely to find lung tumors using CT scans than by using routine chest X-rays.

This mass will look like a white spot on your lungs, while the lung itself will appear black. However, an X-ray may not be able to detect small or early-stage cancers. CT scan ...

If your lung CT scan results are normal, that means your lungs are clear, and you won’t need another screening until your next yearly exam. Your scan may reveal a nodule on your lungs, but that ...

If a doctor suspects you may have a pulmonary embolism, a CT scan is the gold standard for diagnostic imaging. Learn about when a CT scan is used for PE, how it works, what it looks like, and more.