A series of 413 cases of cancer of the ovary from the New South Wales Gynaecological Cancer Registry was reviewed in relation to the epidemiological features of incidence and mortality. Carcinoma of the ovary was the third commonest female genital tract cancer (12.3%). The pathological composition of the tumours were as follows: papillary (44.8%). endometriod, etc. (23.0%), mucinous (IN%), anaplastic and undefined (12.5%). granulosa and thecomn (5.5%). germ cell (1.9%). was 32%.effect o f rupture at operation, ascitis, and different modalities of treatment on the prognosis were discussed. appropriate cytostatic agent with extended survival rates and a programme for a modern approach to full therapy in the later stages were described.The cumulative relative 5 year survival Work relating to chemotherapy after sensitivity testing for the The effect of ovarian conservation in patients with Stage l a tumours, the Presen6 Address: