Lump

• A lump or thickening may develop in the breast which feels different from the surrounding tissue.
  
  

Blood

• A bloody discharge from the nipple may be experienced.
  
  

Size and Shape of the Breast

• Changes in the shape and size of the breast may occur, as well as changes in the skin over the breast, such as a dimpling effect.
  
  

Nipple

• The nipple may become inverted, and flaking or peeling of the skin of the nipple may occur.
  
  

Breast

• Pitting or redness over the skin of the breast, similar to the skin of an orange, may be observed.