Dwayne Johnson disclosed in a new interview that he faced a brief cancer scare he kept private from his wife, underscoring the tension between public image and personal health.Speaking to Esquire, the actor said a painful testicular lump prompted immediate medical advice for an ultrasound as doctors considered epididymitis versus possible cancer.

Even the great Dwayne “The Rock” Johnson isn’t immune to health problems, as the WWE’s “Final Boss” recently had a testicular cancer scare.

The doctor explained that the lump could have been epididymitis but it could have also been cancer—there was no way of knowing until the test results came back.