tumour造句 211. The preserved perirenal fat attached to the tumour is grasped and placed on counter-traction to elevate the tumour away from the tumour bed. 212. It can also show whether tumour cells have crept onto nerve fibres, something that is now left to a biopsy or a surgeon's best guess. 213. Result The high-risk factors associated with MPE were tumour and pelvic operation. 214. I can recall a case of palliation and regression of a spindle-cell tumour on the gingival margin of a Fox Terrier.