The most effective treatment depends on what stage the cancer is at. In the early stages, surgery would be the most likely treatment; along with radiation in many cases. In later stages, drug and hormone treatments would be used depending the the person in question and whet is best for them.
Market potential is the consumers or businesses that would possibly buy your products or services. It is important that you define your market potential early in the development stages of the business.
14 days early would not indicate pregnancy, but it could be an implantation bleed, or it could be caused by sex or just an early period, I would go and see the doctor if it doesnt stop in the normal period time or take a home pregnancy test when your period is due.