Gastroscopy ndi njira yachipatala yomwe imagwiritsidwa ntchito poyang'ana mkati mwa kugaya chakudya, makamaka kum'mero, m'mimba, ndi gawo loyamba la matumbo aang'ono (duodenum). Njirayi imachitika pogwiritsa ntchito chubu chosinthika chokhala ndi kuwala ndi kamera kumapeto, zomwe zimalola dokotala kuwona ...
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