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Surgery

Why would endometriosis require a procedure like ovarian cancer surgery?

The short answer

Endometriosis may require an oncology-level approach in select, highly complex cases to safely and completely remove aggressive disease when anatomy is distorted and surgical risks are higher. Most people with endometriosis will never need a cancer-style operation.

Most people with endometriosis will never need a cancer-style operation. We only consider an oncology-level approach in select, highly complex situations, such as ovarian masses that are very large or look concerning on imaging, severe deep infiltrating disease involving multiple pelvic compartments, or rare cases where the overall picture raises concern for possible malignant change.

In these scenarios, the goal is to safely and completely remove aggressive disease when anatomy is distorted and surgical risks are higher, rather than to treat hidden cancer. This planning often requires the same level of meticulous technique, team coordination, and pathology strategy used in oncologic surgery. If you’ve been told a more extensive procedure may be needed, our team can review your imaging and history with you and explain exactly what we’re concerned about and why.

Where to go from here

Understand it, compare it with what you're feeling, then talk it through with us.

Speak with Us

Facing Complex Surgery Options?

Our specialists understand the challenges of advanced endometriosis surgeries and tailor treatments to your unique needs. We're here to guide you through safe, expert care when complex procedures are necessary.

Questions people ask next

All surgery questions
  • Why would a cancer surgeon perform endometriosis excision?

    A gynecologic cancer surgeon has skills that often translate directly to challenging endometriosis excision, including operating safely around critical organs. Their experience recognizing atypical tissue can add an extra layer of safety during surgery.

  • Can endometriosis become cancer?

    Yes, endometriosis can rarely become cancer, but for the vast majority of people it does not. Endometriosis itself is not cancer, and the best-supported link is with certain ovarian cancers. The risk appears highest when the ovaries are involved.

  • Will endometriosis excision surgery need bowel resection or a stoma?

    Most endometriosis excision surgeries do not require a bowel resection, and a stoma is uncommon. These possibilities come up mainly when endometriosis grows deep into the bowel wall or scar tissue has significantly distorted the anatomy.

  • Is simple laparoscopy enough for endometriosis surgery?

    In experienced hands, standard (non-robotic) laparoscopy can be enough to treat endometriosis, especially when disease is limited. The key is the surgeon’s ability to fully identify and safely remove disease; robotic assistance can offer advantages in complex cases.

Reach Out

Have a question?

Lotus Endometriosis Institute provides California-based surgical evaluation and advanced excision care for patients with suspected endometriosis, adenomyosis, complex pelvic pain, and related conditions.


Many patients contact us from outside California to learn whether traveling for in-person evaluation and possible surgery may be appropriate.

Call Us

(424) 255-1340

(805) 920-0909

Fax: (805) 935-4338

Santa Monica, CA

2121 Santa Monica Blvd, Santa Monica, CA 90404

Operating Hours

8am - 5pm
Monday - Friday

Arroyo Grande, CA

154 Traffic Way, Arroyo Grande, CA 93420