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.
Edmonton YEG Airport Overview. Edmonton International Airport YEG-now branded as 'EIA' - serves the Canadian city of Edmonton and the Province of Alberta. It is also gateway to Canada's spectacular Banff National Park. EIA Airport is located west of the QEII Highway, near the town of Nisku, and 30 km south of downtown Edmonton, Canada, is a small airport with big aspirations.