Two different mutational types of familial gastrointestinal stromal tumors: Two case reports

Figure 6 Postoperative follow-up examination results in September 2023. Comparison of pre- and postoperative computed tomography (CT) images of the male patient. A: Preoperative CT plain scan of the whole abdomen with localized nodular shadows in the antrum of the stomach; B: Postoperative CT plain scan of the whole abdomen with postoperative changes in the distal stomach and no abnormal signs in the anastomosis; C: Gastrointestinal ultrasonography showing postoperative gastrointestinal stromal tumor, with no space-occupying lesions inside or outside the gastric lumen; D: Postoperative CT of the female patient showing postoperative changes after partial resection of the gastric fundus with no abnormal signs in the anastomosis.