Presence of primary malignant gastrointestinal stromal sarcoma at surgical margin in excised tissue specimen
presence of primary malignant gastrointestinal stromal sarcoma at surgical margin in excised tissue specimen
Presence of primary malignant gastrointestinal stromal sarcoma at surgical margin in excised tissue specimen (observable entity)
presence of primary malignant gastrointestinal stromal sarcoma at surgical margin in excised tissue specimen (observable entity)