some signs of IBC are an inverted nipple, the size of the breast may change, or it feels lumpy in
only the affected breast
. Also, visible changes occur and may changer rapidly, come and go, and/or a lump will grow and feel firmer and bigger in a matter of only hours or days. You may generally feel unwell and retain water and have other strange symptoms, like flu like symptoms. (Remember, this is only my own opinion and experience.