Definition:A breast ductal carcinoma that is characterized by infiltration into the fibrous or fatty tissue of the breast outside of the duct where it originated.
Definition:A sex cord-gonadal stromal tumor that secretes testosterone characterized by excessive proliferation of Leydig cells located_in ovary or testicle.
Definition:A sex cord-gonadal stromal tumor characterized by variable proportions of Sertoli cells, Leydig cells, primitive gonadal stroma and/or heterologous elements located_in the ovaries and testicles.