AUTHOR=Yao Junqiao , Meng Xiangyu , Zhu Yanmei , Yang Dong , Zhang Jun , Wang Chao , Liu Yuanlin , Zhang Tao 

TITLE=Gastric metastasis subsequent to renal cell carcinoma surgery: a case report

JOURNAL=Frontiers in Oncology

VOLUME=Volume 15 - 2025

YEAR=2025

URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1624528

DOI=10.3389/fonc.2025.1624528

ISSN=2234-943X

ABSTRACT=Gastric metastasis of renal cancer involves the dissemination of renal cancer cells to the stomach via hematogenous or lymphatic routes, leading to the formation of metastatic tumors. Renal cell carcinoma (RCC), a highly aggressive malignant tumor, exhibits a significant propensity for metastasis. Common metastatic sites include the lung, bone, liver, and brain. This report presents a case of gastric metastasis originating from renal cell carcinoma in a 62-year-old male patient who was diagnosed with clear cell renal cell carcinoma in the left kidney in March 2024. The gastric space-occupying lesion was confirmed through imaging studies, gastroscopy, and histopathological examination. This case is documented herein to enhance clinical awareness and improve diagnostic accuracy for this rare manifestation of RCC.