These are rare. POLYPS may form and, if symptomatic, should be removed. Malignant change is rare. CARCINOMA of the gall-bladder is a disease of the elderly and is almost exclusively associated with gall-stones. By the time such a cancer has produced symptoms, the prognosis is bleak: 80 per cent of these patients die within one year of diagnosis. If the tumour is discovered early, 60 per cent of patients will survive ﬁve years.
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