Radiation oncologist Radiation oncologist Linda Schicker, MD, tells what to expect with radiation therapy Linda Schicker, MD, tells what to expect with radiation therapy. Pediatric infectious disease expert. Pediatric infectious disease expert Jana Shaw, MD, talks about the poliolike disease acute flaccid myelitis, or AFM. Jana Shaw, MD, talks about the poliolike disease acute flaccid myelitis, or AFM. Physiatrist Physiatrist Xiaoli Dong, MD, shares a new alternative to knee replacement. Xiaoli Dong, MD, shares a new alternative to knee replacement.