Indigo is prostate cancer that has relapsed after a previous attempt at curative treatment (surgery, radiation, HIFU, laser, electroporation or cryotherapy) but without detectable cancer that has advanced into areas of the body distant to the pelvic lymph nodes. Over 50,000 men relapse after treatment every year in the United States….

Treatment for Indigo varies per the subtype. Men with Low-Indigo are presumed to have disease confined to the prostate or where the prostate used to be located. Men with Basic-Indigo have a relatively low risk for…