The method 8, wherein {HEAD ~ the third difference image} is displayed relative to the anatomy of {TAIL ~ the organ} 
The method 8 , wherein { HEAD ~ the third difference image } is displayed relative to the anatomy of { TAIL ~ the organ }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL