Blue Light Cystoscopy If you are fighting bladder cancer, Lehigh Valley Health Network (LVHN) offers this leading-edge technique to easily find and remove cancer cells. More Information More Home Doctors Locations Home Doctors Locations No clinicians found Please try a new search Start a New Search Need help finding the right clinician? We're here to help! Contact Us Online or at 888-402-LVHN (5846) Hours: Monday-Friday, 7 a.m.-8 p.m. Saturday-Sunday, 9 a.m.-5 p.m.