Life An ‘Inside Edition’ viewer told Deborah Norville to check for thyroid cancer. How do you spot it? April 2, 2019 Ashley May, USA TODAY Comments Off on An ‘Inside Edition’ viewer told Deborah Norville to check for thyroid cancer. How do you spot it? It's easy for lumps caused by thyroid cancer to go unnoticed, Dr. Eric Moore told USA TODAY. There are often no symptoms and nodules grow slowly.