The information requested falls within the responsibility of the UK Statistics Authority. I have asked the Authority to reply.
Letter from Karen Dunnell, dated May 2009:
As National Statistician, I have been asked to reply to your recent Parliamentary Question asking how many cases of bowel cancer were (a) diagnosed and (b) resulted in death in the last year for which figures are available. 
Colorectal cancer, another name for bowel cancer, is cancer of the colon and rectum combined. The latest available figures for newly diagnosed cases (incidence) of colorectal cancer are for the year 2006. There were (a) 30,046 cases diagnosed in England in 2006. It is not possible to provide the number of colorectal cancer deaths that occurred to cases diagnosed with colorectal cancer.
Death registration data provide mortality figures for colorectal cancer. There were (b) 12,844 deaths from colorectal cancer in England in 2007, the latest year available.