Excuse me the scar on his arm with what method can thoroughly knot?

Excuse me the scar on his arm with what method can thoroughly knot?

Question:

Keloid long for 4 years, was due to drug interactions. Size 6 square centimeters, excuse me with what method can eliminate?

Treatment:

Yet completely eliminate the scar, estimates that you need to adopt the method of treatment, the expansion of skin,