Cowden disease is a type of PTEN hamartoma tumor syndrome (PHTS) caused by a mutation in the PTEN gene. PHTS raises the risk of developing certain types of cancer, including skin, thyroid, breast, endometrial, colorectal, and kidney.
Study shows that, for women age 65 and older with breast cancer, poverty has a greater affect on survival than whether they live in a rural or urban area.