The exact cause of Barrett's esophagus is not known. It may result from damage to the esophagus caused by the chronic reflux of stomach acid. Frequent or chronic reflux of stomach acid into the esophagus is called gastroesophageal reflux disease or GERD. Gastroesophageal Reflux.
YYC Calgary International Airport, originally named McCall Field (IATA: YYC, ICAO: CYYC), is the international airport that serves Calgary, Alberta, Canada and the surrounding region; it is situated approximately 17 km (11 mi) northeast of downtown Calgary.
Main Terminal / Concourses at Calgary YYC Airport. YYC Calgary International Airport: NOTICES, current Terminal Layout, TERMINAL DETAILS, and Airport Lounges. NOTICES: - U.S. Customs Clearance and US Transfer Baggage is as of 10/31/16 at the new International Terminal (see below).