When your care team starts discussing treatment for head and neck cancer, you may hear the term PD-L1, which stands for programmed death-ligand 1. Testing for PD-L1 helps your oncologist determine ...

If you’re someone who’s at risk for developing osteoporosis, you’re probably well-accustomed to receiving regular bone density tests. Dual-energy X-ray absorptiometry (DEXA or DXA) is a radiologic ...