{HEAD ~ The present invention} is directed to the field of cancer diagnosis, specifically to {TAIL ~ the diagnosis} of bladder cancer and prostate cancer  
is directed specifically to
{ HEAD ~ The present invention } is directed to the field of cancer diagnosis , specifically to { TAIL ~ the diagnosis } of bladder cancer and prostate cancer
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH