Super Bowl LVIII star Trent Williams felt "guilty" after winning gruelling cancer battle
![Super Bowl LVIII star Trent Williams felt](https://i2-prod.mirror.co.uk/incoming/article32072457.ece/ALTERNATES/s615/0_GettyImages-1991033787.jpg)
San Francisco 49ers star Trent Williams has opened up on his gruelling battle with cancer - a fight he won - as he prepares for the biggest game of his life at Super Bowl LVIII in Las Vegas