Will Baker is swallowing a pill, but he isn't taking medication. The pill is actually a tiny scanner that will allow his doctor to check his esophagus for signs of cancer. Baker was diagnosed with Barrett's Syndrome in 1996. It's a condition where the lining of the esophagus is replaced by cells normally found in the gastrointestinal tract. The danger with Barrett's is its potential to develop into a deadly form of cancer called esophageal endocarcinoma.
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