The dx was an artifact and an artifact is considered of no medical consequence but equipment related...sometimes called noise.
So are you saying that there is nothing to worry about as far as the breast is concerned?
Its an observation of substance or structure not normally seen in tissue but appears as authentic in an radiological image. Attenuation refers to a radiological beam over the front side of the heart. In other words an artifact has no medical significance, but is explained by radiological error.