“…If the foreign body penetrates the duodenum and penetrates the right kidney, the patient's symptoms often include hematuria, waist pain, 3 , 4 and other local symptoms, as well as fever, sepsis, and other systemic symptoms. But the symptoms are atypical, leading to the penetration of foreign bodies in adjacent organs that are often misdiagnosed as kidney tumors, kidney stones, 5 etc. At present, the treatment methods for such penetrating foreign bodies are gastroscopic surgery, laparoscopic surgery, and opening surgery.…”