Prognostic Factors in Early Carcinoma of the Endometrium

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Abstract
Two hundred forty-one patients with clinical-pathological Stage I and 58 patients with clinical-pathological Stage II carcinoma of the endometrium treated between January 1959 and December 1983 at the Ottawa General Hospital were analyzed. The adjusted survival rate at 5 years was 92% in patients with Stage I and 66% in patients with Stage II. In patients with Stage I, the most important prognostic factors were the histological grade of the tumor and the depth of myometrial invasion. In patients with Stage II, the single most important prognostic factor was the clinical extent of the disease. Grade and depth of myometrial invasion were also significant prognostic factors, particularly in patients with pathological Stage II. Combined surgery and radiation therapy was clearly superior to surgery alone in patients with Stage II but not in patients with Stage I, although, with long-term follow-up, our results may suggest improved survival in these patients as well.