Megaesophagus can cause pneaumonia see link below
http://www.iwhealthgroup.co.uk/megaesophagus.html
http://www.baileychairs4dogs.com/
http://petprojectblog.com/archives/dogs/megaesophagus-and-the-bailey-chair/
http://www.iwhealthgroup.co.uk/megaesophagus.html
http://www.baileychairs4dogs.com/
http://petprojectblog.com/archives/dogs/megaesophagus-and-the-bailey-chair/