What is the Difference Between Similar But Different Things, Terms, and Objects

What is the Difference between BPH, Testicular, Prostate and Breast Cancer

Human being are always dealing with the problems and other things since his origin. There were different kinds of diseases against which he has to fight to secure his chances of survival and to carry on living on planet earth. There were many diseases, some of them were fatal while others were less dangerous and these are the problems which needs a solution.