| Class I |
Consists of a complete breast including glandular tissue, nipple, and areola |
| Class II |
Consists of only glandular tissue and nipple, without areola |
| Class III |
Consists of only glandular tissue and areola, without nipple |
| Class IV |
Consists of only glandular tissue |
| Class V |
Consists of only nipple and areola, without glandular tissue (pseudomamma) |
| Class VI |
Consists of only the nipple (polythelia) |
| Class VII |
Consists of only the areola (polythelia areolaris) |
| Class VIII |
Consists of only hair (polythelia pilosa) |
