By Editorial Staff, with insights from Berfin Mahmut, PT, DPT, CLT-LANA, OnCS
For many cancer survivors, the conclusion of surgery or the healing of a biopsy site is often viewed as the final chapter of a difficult ordeal. However, the physiological journey of recovery continues long after the bandages are removed. One of the most significant, yet frequently overlooked, aspects of this post-treatment phase is the management of scar tissue. While scars are a testament to the body’s innate ability to repair itself, they can often become more than just a visual mark; they can evolve into sources of chronic physical restriction and emotional distress.
The Science of Scar Formation: A Natural but Complex Process
Scar tissue is a biological necessity. When the integrity of the skin is compromised—whether through surgical incisions, radiation-induced sores, or biopsies—the body initiates a complex wound-healing cascade. This process involves the rapid deposition of collagen, a structural protein, to bridge the gap in the tissue.
Unlike the original dermis, which is organized in a flexible, basket-weave pattern, scar tissue is composed of collagen fibers that are laid down in a dense, parallel, and haphazard fashion. This structural difference is precisely why scars lack the elasticity of healthy skin. As these fibers mature, they can contract, pull on surrounding nerves, and create adhesions that bind skin to underlying muscle or fascia. For the cancer survivor, particularly those who have undergone mastectomy, lymph node dissection, or head and neck surgeries, these adhesions can lead to profound functional limitations.
Chronology: From Wound Closure to Long-Term Remodeling
The life cycle of a scar is a multi-stage process that can span up to two years. Understanding this timeline is essential for patients aiming to optimize their recovery:
- The Inflammatory Phase (Days 0–5): Immediately following surgery, the body’s immune system floods the area to clean the wound and initiate clotting. During this stage, the scar is fragile and must be protected.
- The Proliferative Phase (Days 5–21): Fibroblasts arrive at the site to begin laying down new collagen. This is the period of rapid tissue buildup.
- The Remodeling Phase (3 Weeks to 2 Years): This is where scar management becomes most impactful. The collagen fibers are slowly reorganized. While this process is natural, external intervention—such as specialized massage and moisture therapy—can guide the remodeling, ensuring the tissue remains supple and less prone to the tightness associated with contractures.
Supporting Data: Why Management is Non-Negotiable
Research in physical medicine and rehabilitation indicates that untreated scar tissue can significantly impair quality of life. According to the data surrounding oncology-based rehabilitation, a significant percentage of patients experience "scar-related morbidity."
- Mobility Impairment: Scars near joints—such as the axilla (armpit) after breast cancer surgery—can limit range of motion, making simple tasks like reaching overhead or brushing hair difficult.
- Sensory Changes: Because scar tissue can entrap small nerve endings, patients frequently report hypersensitivity (pain upon light touch) or, conversely, numbness that persists for years.
- Psychosocial Impact: Beyond the physical, the presence of a permanent, hardened, or thickened scar serves as a daily reminder of the cancer diagnosis, often complicating the emotional recovery process.
The Professional Perspective: Expert Insights on Intervention
Berfin Mahmut, a Doctor of Physical Therapy specializing in cancer rehabilitation at Mount Sinai, emphasizes that scar management is not merely an aesthetic concern—it is a functional necessity.
"Scar tissue is a normal and expected part of the body’s healing process," Mahmut explains. "However, when it becomes excessive or untreated, it leads to discomfort, tenderness, and restricted movement. Our goal is to support the body in forming a healthy, pliable scar that allows the patient to return to their baseline level of activity."

Implementing Scar Massage
Physical scar management aims to "break up" these rigid collagen bonds. When performing self-massage, the patient is advised to follow a strict protocol to ensure safety:
- Lubrication: Always use a high-quality, fragrance-free moisturizer to reduce friction.
- Technique: Use the index finger or a combination of the index and middle fingers. The goal is to apply moderate pressure that "mobilizes" the scar against the underlying tissue.
- Duration: Massage should last for a few minutes, performed several times throughout the day.
- The "Tolerance" Rule: While mild discomfort is expected, sharp or intense pain is a signal to stop. The pressure should be adjusted based on the individual’s unique sensitivity.
Advanced Therapeutic Options
When conservative manual massage is insufficient, the medical community offers a variety of advanced interventions to improve scar pliability:
Silicone-Based Treatments
Silicone tape and topical ointments are considered the gold standard in non-invasive scar management. They work by creating an occlusive barrier that hydrates the scar, preventing excessive collagen production and reducing the redness and thickness of the tissue.
Clinical Interventions
For patients dealing with severe adhesions or contractures, physical therapists may coordinate with surgeons to explore:
- Acupuncture: Used to release trigger points and improve blood flow to the surrounding tissue.
- Laser Therapy: Often utilized to remodel collagen fibers at a deeper level, effectively "softening" the scar from within.
- Injection Therapies: In some cases, medical professionals may use corticosteroid injections or other agents to reduce hypertrophy (raised, thickened tissue) in aggressive scars.
Implications for the Future of Oncology Care
The shift toward incorporating scar management into standard oncology care reflects a broader evolution in medicine: moving from "surviving" to "thriving." As cancer treatments become more effective, the patient’s long-term functional status becomes paramount.
If you are a survivor currently dealing with tightness, pulling, or sensitivity, the most important step is advocacy. Do not assume that discomfort is a "normal" side effect that must be endured in silence. Discuss these symptoms with your oncology team, physical therapist, or specialized rehabilitation clinician.
Early intervention is the key. By proactively managing scar tissue, patients can reduce the risk of long-term disability, alleviate chronic pain, and regain the confidence to move their bodies freely again. The scar may be a permanent mark of a journey traveled, but with proper care, it does not have to be a barrier to the future.
About the Expert
Berfin Mahmut is a Doctor of Physical Therapy, a certified lymphedema therapist, and a cancer exercise specialist at Mount Sinai in New York, NY. Her practice is dedicated to helping patients navigate the physical complexities of cancer recovery, ensuring that rehabilitation is as personalized as the cancer treatment itself.
