Sporadic Multiple Gastrointestinal Stromal Tumors With Distinct KIT and PDGFRA Mutations in Two Separate Tumors: A Case Report and Literature Review
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Gastrointestinal stromal tumor accounts for approximately 80% of mesenchymal tumors and 1% to 3% of all gastrointestinal system malignancies. KIT or PDGFRA mutations are identified in approximately 92-93% of gastrointestinal stromal tumors. Both KIT and PDGFRA... ...
