Hybrid resection of massive rectal gastrointestinal stromal tumor using laparoscopic and transanal approaches
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Rectal gastrointestinal stromal tumors (GISTs) are rare, and radical surgery such as abdominoperineal resection is necessary for large rectal GISTs to obtain tumor-free resection margins. Here, we describe a 77-year-old man with a locally advanced non-metastat... ...
