ROUGH CUT - NO REPORTER NARRATIONbr br Britain's Prince William visited the Royal Marsden hospital in London on Thursday where he observed two cancer surgeries.br br With lead surgeon Stuart James explaining the procedure to him, the prince witnessed a breast reconstruction surgery on a female patient.br br He also watched the removal of a bladder tumor on a male patient under the guidance of head surgeon Pardeep Kumar.br br Prince William is the president of the Royal Marsden NHS (National Health Service) Foundation Trust.