1. Simulate a female upper body with moderate-size breast.
2. Can be tiled on the desktop to demonstrate teaching; and worn in front of breast for self-examination with help of the belts.
3. Breast tumor and typical features: 1) Hyperplasia of mammary glands; 2) Slick fringe of the benign tumor and movable; 3) Lots of different size and hardness malignant tumor in mammary glands; 4) Metastasis of malignant tumor and lymph, intumesce and accretion of absorbent gland in leftarm pit and clavicula; 5) Sagging breasts; 6) Tangerine pericarp-like changes of skin; 7) Suffusion of one side mamilla;
