Features：

 

1. Obvious anatomical marks, realistic texture
2. Demonstrate lesions including:
①　Hard texture, rough surface, can be considered as therioma
②　Texture is relatively soft, flat surface, can be regarded as benign tumors
③　Lymphatic metastasis: from armpit and neck, trainees can touch hard texture lymph nodes
④　Nipples changes: nipples are depressed, ulceration, bloody liquid overflow
⑤　Skin changes: skin is depressed, orange-peel appearance, inflammatory breast cancer
3. Clinical observation and diagnosis of breast cancer
4. With a base support, demonstrate in various examination position