What does tnm and clarks level mean in regard to prostate cancer?

TNM:lots Clarks:zero: Clark's level is used to measure the severity of skin cancer. No relationship whatsoever to prostate ca. Tnm is used for all cancers as a staging system; the higher the stage, the worse the prognosis. See this website for details about prostate cancer's staging system: http://www.Cancer.Gov/cancertopics/pdq/treatment/prostate/healthprofessional/page3

Mixed up?: Tnm staging is the system used to describe the extent of any cancer. See this link http://bit.Ly/lyt5zf. Clark levels are a system for describing the depth of invasion of skin cancer, commonly malignant melanoma. See this http://bit.Ly/kqchmu. Clark level has nothing to do with prostate cancer.