The Truth: “Over-Injection Is the Root of All Problems”

One of the most common concerns about fat-transfer breast augmentation is:
“Will I get lumps?”
On social media, lumps are often portrayed as an unavoidable risk.

But medically speaking, most lumps come from one problem:

⭐ Almost all lumps are caused by “over-injection.”

This is a well-known fact among surgeons who truly understand fat grafting.

At AVAN TOKYO, we deeply understand this mechanism and design procedures that
minimize the risk of lumps through precise, safe fat placement.

■ Why does over-injection cause lumps? — The medical mechanism

For transplanted fat to survive, it must remain within a
distance where oxygen and nutrients can reach it.

If too much fat is injected at once:

• The center of the fat mass receives no oxygen
• Necrosis begins
• Oil cysts and fibrotic hard masses form
• This ultimately becomes a lump

In short, large volumes of fat
die before they can develop a blood supply.

■ More fat is not better

In fact, the opposite is true:

Inject only the amount that can survive.

Inject only into layers where fat can survive.

That is the rule for a beautiful, safe fat-transfer augmentation.

At AVAN TOKYO, we strictly avoid:

• Forcing large volumes into one layer
• Creating thick, necrosis-prone fat masses
• Blocking blood flow
• Ignoring vascular pathways

Instead, we use a medical protocol of thin, even, multilayer injection, which
maximizes survival and minimizes lump formation.

■ Asian anatomy is naturally unsuitable for “large-volume injection”

Characteristics of Asian women:

• Thin skin
• Limited subcutaneous space
• Less upper-chest padding
• Flat ribcage, leading to poor fat dispersion

This means the chest has a physical limit to how much fat can safely be injected.

Therefore, the most important skill is:

A surgeon’s ability to determine the true safe volume for each patient.

AVAN TOKYO never injects more fat than necessary,
prioritizing beauty × safety above all.

■ AVAN TOKYO’s “no-lump fat grafting” technique

✔ Mist-like thin fat placement

→ Low necrosis risk, high survival rate

✔ Optimal fat placement around the implant (if hybrid)

→ Hides implant edges, creates natural upper-pole fullness

✔ Injection only into layers with good blood flow

→ Soft, long-lasting results

✔ Strict multilayer technique

→ Prevents mass formation and unevenness

✔ Contracture-guided postoperative management

→ Beautiful upper-chest contour as healing progresses

AVAN TOKYO creates
not just larger breasts, but soft, natural, beautiful breasts.

■ Avoiding over-injection maximizes both beauty and safety

Some clinics promote:
“Let’s inject as much as possible.”

But in fat grafting,

**■ Large volumes = higher risk of lumps

■ Correct volume = stable, natural, long-lasting results**

Beauty is not created by quantity.
It is created by design and precision.

At AVAN TOKYO, we always choose:

“The right amount, in the right place.”

■ If you want to avoid lumps, your choice of clinic is everything

Fat-transfer results depend far more on
the surgeon’s technique and design than on patient factors.

• Avoiding over-injection
• Identifying safe layers
• Maximizing survival
• Managing postoperative contracture

Only clinics that master all of these can create
beautiful breasts with minimal risk of lumps.

💎 AVAN TOKYO’s fat-transfer augmentation begins with “a design that avoids lumps.”

• No over-injection
• Maximum safety × beauty
• Optimized for Asian anatomy
• Long-term softness and natural feel
• Scientifically grounded technique

We evaluate your body precisely and design
the safest, most beautiful breasts possible.