51.   The start of the follow up period was the date of the first lithotripsy session.

52.   Tio et al have shown the accuracy of endosonography in the follow up of patients who were given combined intraluminal and external radiotherapy for inoperable oesophageal carcinoma.

53.   In addition, the dietitians completed a standardised questionnaire for each patient at every follow up visit.

54.   The dose of chenodeyxholic acid used, however, was low and the follow up comparatively short.

55.   Chemotherapy was well tolerated and no cases of myelodyspastic syndromes were observed despite follow up exceeding two years in seven patients treated with alkylating agents.

56.   Scores comparing symptoms before treatment and at follow up are shown in Table VI.

57.   In our patients, values for these two factors varied considerable between individual as well as within individuals, during the period of follow up.

58.   Follow up information was obtained from out patient clinical notes.

59.   In addition all patients in whom a histological diagnosis was not obtained at the initial admission to hospital had follow up information obtained by consultation with their general practitioners.

60.   The clinical details, basis for the diagnosis and the follow up of this group of patients is shown in Table IV.