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Updated: May 10, 2025

Intraoperative Gastroscopy for Tumor Localization in Laparoscopic Surgery for Gastric Adenocarcinoma
Published on: August 9, 2016
Gastrointestinal bleeding due to small bowel metastasis from lung adenocarcinoma: A case report
Tian-Yuan Yuan1, Ying-Xin Chen2, Yan-Ge Zhao1
1Department of Gastroenterology, Jining Medical University, Jining 272067, Shandong Province, China.
Background:
Lung cancer is the most prevalent malignant tumor in human body, and is characterized by a high level of malignancy. The most common metastatic sites include the liver, bone, brain, and adrenal gland, while lung cancer resulting in gastrointestinal tract metastasis is uncommon.
Case Summary:
A 74-years-old man with lung cancer was hospitalized owing to blood in the stool, The cause was identified as metastasis to the small intestine, and the patient subsequently underwent radical resection of the small intestine tumor. Currently, the overall condition of the patient is good, and undergoing combined chemotherapy.
Conclusion:
Early intervention in patients with metastatic tumors can significantly improve prognosis.

