Abstract
A total of 721 patients were treated in the neutron therapy programme at NAC from February 1989-March 1995 with a p(66)/Be isocentric unit. The preliminary results showed: 3-year local control and survival probabilities of 57 and 79% respectively for advanced salivary gland tumours; increased local control for twice-daily neutron therapy for advanced head and neck cancer compared with photon therapy; local control rates of 68 and 83% for locally advanced breast cancer treated with 17 and 19 Gy respectively; complete response rates of 67% for macroscopic residual soft tissue sarcomas and those with irresectable disease of less than 10 cm; complete response rate of 56% for macroscopic residual uterine sarcoma with a median follow up of 38 months; 2-year local control rate and survival of 44 and 38% respectively for advanced squamous carcinoma of the maxillary antrum; complete response rate of 38% for advanced osteosarcomas and chondrosarcomas.
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