SummaryOne hundred and twenty-four patients (76 women and 48 men) were interviewed within the first 36 hours after operation. Fqty per cent of those studied were denture wearers. They were asked to fill in a questionnaire which registered their levels of distress about the various pre-operative preparation procedures. The most common factors contributing to pre-operative distress were waiting for transfer to the operating theatre, the prohibition of j u i d s and the removal of dentures.
All five tumours examined were negative for E-cadherin. A mean score of 3 was assigned to MHC-II and a mean score of 1 to FoxP3. All but one tumour scored 1 for CD3, the exception scored 3. Positive staining for PD-L1 was detected in the cytoplasm and on membranes of neoplastic cells with a score of 5 in all tumours.
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