Explain the pathophysiological development of breast cancer.

 Detail the varying types and oncogenic influences for each type.

Menopause comes at different ages for women. 

What are the changes causing menopause and what are the changes experienced after menopause?

Testicular cancer is common in younger men. Upon examination, you discover a hard nodule of the right testes.

 What are the oncogenic influences associated with testicular cancer?