I suffer from gastritis for many years, I found in my stool dots blacks, afraid I made a barium x-ray to rule out cancer, you think this method and still good to rule out tumors of medium size?or one gastroscopy excludes tumors of the stomach and esophagus?and another question, when do you think that the PillCam ESO replace the gastroscopy and will arrive here in Italy? thanks you and sorry for my bad english, i from italy