The results of 181 gastric reduction operations for obesity, performed over a 3-year period, are reported. The indications for such surgery are presented and the results are briefly discussed. The broad surgical details of gastroplasty and of stapling procedures, the advantages of the latter and the newer trends in this field are described. The early and late complications are documented, illustrated and discussed. The important role of the radiologist in diagnosing these complications, especially in the acute post-operative period, is stressed.