Hi... Okay I going to tackle this one because I used to be a nurse and have a fairly solid knowledge of anatomy - I'm a never say never type of person - but I'm not sure I see any correlation, though something like a hernia puts stress on the body which may play a factor in the potential development of cancer, but then almost any disease can depending on the length of illness and extent of trauma to your body. Acid reflux which I believe is a symptom of a hernia, could potentially relate to scc - in that i do believe chronic irritation can cause cell change and ultimately cancer. However location, location, location... In the esophagus it might make sense but oral cavity.. Not so much.

Any other takers?