However, if biopsy samples are taken, they are sent to the laboratory for analysis. These results are sent to your physician. After careful review, your physician or nurse will call you or notify you by mail of your results. This may take a week to ten days. Upper G.I. endoscopy is a very safe procedure.
Complications can occur but are rare.
One possible complications is a tear in the wall of the upper G.I. tract. Another is bleeding from the biopsy site. A tender lump may develop at the intravenous site and may remain for several weeks. This will eventually disappear. Other risks include drug reactions or complications from other diseases such as heart problems.