Signs of<unk><unk>  can include nipple retraction, inversion, pain, and classic green-brown discharge.
Duct ectasia of breast
Papillomatosis of breasts
Breast cyst
Adenomyoepithelioma of the breast
Breast eczema
Mucinous carcinoma of the breast
Keratin implantation cyst
Solitary cutaneous leiomyoma