Selenium can moderate the increased risk for esophageal cancer that is associated with ALDH-2 deficiency, which is linked to people who often get a very red and flushed face from drinking alcohol.
Squamous cell cancers are frequently associated with the HPV virus.
Early detection is rare, and later invasion and metastasis can occur very early.
5 year survival is about 14%, making this one of the deadliest types of cancer.
