Endoscopic examination, therapy or surgery of the interior of the stomach.

Synonyms: Gastroscopic Surgical Procedure, Gastroscopic Surgery, Procedures, Gastroscopic Surgical, Gastroscopic Surgeries, Surgery, Gastroscopic, Procedure, Gastroscopic Surgical, Surgical Procedure, Gastroscopic, Surgical Procedures, Gastroscopic, Surgeries, Gastroscopic, Gastroscopy, Gastroscopies, Gastroscopic Surgical Procedures