“…6,9 Patients with GG may develop breast ulceration, hemorrhage, cellulitis, pain, decreased mobility, and can be also be psychologically affected. 6,[10][11][12] The etiology remains unclear; however, it is believed to arise as a result of over-sensitivity or overproduction of pregnancy-related hormones, such as prolactin. 7,13 Alternatively, autoimmunity may also play a role in its pathogenesis; 14 indeed, the simultaneous presence of autoimmune diseases has been reported in several cases.…”