Inverted nipple

{
  "id": "MLC-T-ONC-004475",
  "term": "Inverted nipple",
  "field": "Oncology and biomedicine",
  "definition": "A nipple that turns inward into the breast or lies flat against the breast. An inverted nipple may be present at birth or may be caused by aging, breastfeeding, breast surgery, injury, infection, or certain breast conditions. It may also be a sign of breast cancer. Also called retracted nipple.",
  "synonyms": [
    "retracted nipple"
  ],
  "references": [
    "NCI Dictionary of Cancer Terms"
  ],
  "url": "https://mlchart.com/terminology/oncology/inverted-nipple/"
}