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.
Driving from Toronto to Calgary. You can rent a car and drive the 3300 km (or 3400 km) between Toronto and Calgary. Both available routes pass through the USA, so make sure to ask the car rental agency weather you are allowed to take the car over the border.The shortest route is via US-2 W and takes 1 day and 13 hours.lthough Toronto is served by three airports, the one handling flights to Calgary is Toronto Pearson International Airport (YYZ) , located about 23 km from the city center. It is the busiest airport in Canada and hub for Air Canada, Air Canada Express, Air Transat, CanJet, Sunwing Airlines and WestJet.