I can tell you this, though. I was told by my surgeon that the esophagus is a dumb organ that interprets all pain as reflux/burning. So if it's a reflux burning you're describing, yes, it's normal. It's part of the healing experience. Remember that your stomach has been through a lot...it's been stretched and pulled and wrapped an stitched. I'll be complaining for quite some time. Listen to what it has to say, and follow your body's lead.
Give us some more information, and ask questions as they come. Glad you've joined us!
Nissen Fundoplication 2/09
"Whatever you fight, you strengthen, and what you resist, persists.”
“Worry pretends to be necessary but serves no useful purpose”
“Accept - then act. Whatever the present moment contains, accept it as if you had chosen it. Always work with it, not against it.”