Ogilvy & Mather can be divided into four periods in the body:

1, early stage (time: onset within 3 months after injection)

2. Incubation period (time: 3 months to 2 years)

3. Inflammatory phase (time: 2 years-10 year)

4. The malignant transformation period (time: 10-20 years) Ogilvy is now recognized as a carcinogen. In order to avoid the complications of Ogilvy, it is better to take it out as soon as possible. Guangzhou liwan people's hospital.