One thousand, nine hundred and seventy-seven patients with squamous carcinoma of the head and neck are reviewed with particular reference to the patients not treated. The commonest reason for not treating the patients was that the tumour was too extensive (55%). A further 36% were too old or infirm to be considered fit for radical treatment, and 9% of patients refused treatment. Treated and untreated patients were compared for age, sex, site of the primary and TNM stage. The proportion of patients untreated varied according to site of the primary tumour, with 25% of pharangeal tumours being the highest proportional representation. Median survival for untreated patients was 88 days; survival time was significantly related to sex, T stage of primary tumour and patient's general condition.