For patients dealing with cancer, the peal of a bell is what miracles sound like. Texans defensive end Dylan Horton got to ring his own bell to signal an end to his treatment. Check that, Horton banged a gong. That seems more befitting of a young NFL defender. And Horton gave it two taps as the medical workers next to him celebrated the moment. Horton then posted a video to his Instagram Story to commemorate an achievement on his journey back to good health. He captioned it “Glory to God. Final Treatment.” Ian Rapoport of NFL Network posted the video of Horton’s emotional moment. The Texans se…