Effects of premedication with Pronase for endoscopic ultrasound of the stomach: A randomized controlled trial

Figure 1 Scoring of the gastric cavity obscurity grade depending on the numbers of high-echo spots. A: Score 0, few or no high-echo spots in the gastric cavity; B: Score 1, low number of high-echo spots; C: Score 2, moderate number of high-echo spots; and D: Score 3, high number of high-echo spots.

Figure 2 Scoring of the gastric wall surface depending on the amount of adherent mucus. A: Score 0, no artifacts, clear wall interface; B: Score 1, minimal artifacts, negligible; C: Score 2, moderate artifacts; and D: Score 3, significant artifacts affecting diagnostic judgment.