Table 2.

Demographic features of the cohort

Mean Age at time of tumor diagnosis (s.d.)	55 years (13.2)
Vital Status (% Alive)	1468 (96.4%)
Stage at Diagnosis
Stage 0	317 (20.8%)
Stage I, IIA, IIB	932 (61.2%)
Stage IIIA, IIIB, IIIC	145 (9.5%)
Stage IV	57 (3.7%)
Unknown Stage	72 (4.7%)