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You suspect you may have endometriosis or adenomyosis

Which cancers are linked to endometriosis, and how strong is the evidence?

Topic:General
Affected areas:pelvicabdominalsystemic
An illustrative collage of a female showing discomfort, robotic surgery, a doctor discussing treatment, medicines, and calendar.

The strongest and most consistent evidence linking endometriosis to cancer involves certain ovarian cancer subtypes—especially clear cell and endometrioid ovarian cancer. This is an association seen across multiple studies, but it’s important to understand what that means: the risk increase is relative compared with people without endometriosis, and it still does not mean cancer is expected or common.


Endometriosis is a benign condition, and most patients with endometriosis will never develop cancer. If you’re concerned about your personal risk—especially with an ovarian mass, persistent one-sided pain, or new symptoms that don’t fit your usual pattern—our team can help evaluate what’s going on and discuss appropriate next steps, including imaging review and surgical options when needed.

Worried About Cancer Risks?

You’re not alone in your concerns about endometriosis and cancer risk. Our specialists understand these worries and can guide you through personalized assessments and care options.

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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.

Santa Monica, CA

2121 Santa Monica Blvd, Santa Monica, CA 90404

Operating Hours

8:00 am - 5:00 pm
Monday - Friday

Arroyo Grande, CA

154 Traffic Way, Arroyo Grande, CA 93420