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Review Question - QID 215107

QID 215107 (Type "215107" in App Search)
A 7-year-old girl presents to an oncologist for an anterior mediastinal mass found incidentally on a chest radiograph. Magnetic resonance imaging is ordered and demonstrates a right-sided thymic mass. A core needle biopsy is performed. If the mass is benign, T-lymphocytes found in the cortex are expected to express which cell surface protein?