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abstractpubmed· Abstract 2016· item PMID:27446867
An Unusual "Collision Tumour" of the Prostate Gland and Rectum. Collision tumours of two different histopathological processes are rare. We describe a case of a patient with known low grade prostate adenocarcinoma developing a rectal GIST, which was diagnosed with combined imaging modalities of MR and ultrasound and confirmed by transrectal ultrasound guided biopsy.