It has also been used as a screening tool for prostate cancer
Yes, the Mayo Clinic offer information on rectal cancer. You can find the information at mayoclinic.com/health/colon-cancer/DS00035 and http://www.mayoclinic.org/rectal-cancer/
DRE has also been used as a screening tool for prostate cancer
Blood in your stool can indeed be a sign of rectal cancer, but it's not sure way to know. You should see a doctor and get tested to find out what is wrong.
A number of websites are helpful when it comes to prostte cancer. Try these sites: http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001418/, http://www.cancer.gov/cancertopics/types/prostate and http://www.mayoclinic.com/health/prostate-cancer/DS00043.
They may not have to do it, but you need them to do a rectal exam first, that is the way the find colon cancer
There are no genetic tests to see if you have prostate cancer. It is possible to find out by going to a doctor and having other tests done, however.
A medical prostate massage is most probably offered by certain urologists. However to diagnose diseases like prostate cancer, an actual massage is not needed.
[From the Support and Resources Page of the National Cancer Institute website] This page offers information such as: How to Find a Doctor or Treatment Facility if You Have Cancer When Someone in Your Family Has Cancer Cancer Support Groups: Questions and Answers National Organizations That Offer Services to People with Cancer and Their Families Clinical Trials and Insurance Coverage - A Resource Guide Financial Assistance for Cancer Care Hospice, Home Care, Health Care Young People with Cancer: A Handbook for Parents You'll find resources here for anyone dealing with cancer or with a loved one who has prostate cancer or any other kind of cancer. There is a wonderfull web site called Malecare which seems to be updated every week with lots of prostate cancer information.
The Prostate Cancer Foundation is located at 1250 Fourth Street, Santa Monica, VA 90410. They may be reached by phone at 800-757-CURE (2873) or 310-570-4700.
Information regarding prostate cancer treatment can be found all over the internet. There are several non-profit organisations dedicated to informing the people. The best information though should be obtained through a oncologist.
There are no symptoms of rectal cancer that are specific to rectal cancer. However, signs that you may have rectal cancer include itching, bleeding, pain or the formation of a growth. Please note that these symptoms are also symptoms of less life threatening conditions.
Asking your doctor is always a good place to start when looking for medical information. The Livestrong organization also provides information on cancer, as well as on leading a healthy lifestyle.