Xiao Yan lived with congenital melanocytic nevus, and with that, a birthmark on her face that, along with being unsightly, doctors say could become cancerous and kill her.
The implants are balloons, four of them, which expand and encourage her body to grow new skin which can then be grafted to the spot where the birthmark is. She has had to endure a lot of discomfort and ridicule over the process, with her mom begging villagers to stop teasing her for her unique look...
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