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You suspect you may have endometriosis or adenomyosis

What are common symptoms of thoracic endometriosis?

Topic:Deep Disease
Affected areas:chestbacksystemic
An illustration of 3 silhouetted women each showing discomfort in areas of the pelvis.

Thoracic endometriosis symptoms often follow a clear menstrual pattern, with pain or breathing changes that flare around your period. Many patients describe cyclic chest pain or tightness, shortness of breath that’s noticeably worse during menstruation, and pain that can refer to the shoulder or upper back.


In some cases, thoracic endometriosis is associated with recurrent episodes of collapsed lung or fluid/blood around the lung that happen around the time of a period. Because these symptoms can mimic other chest or lung conditions, our team focuses on the timing of symptoms, prior episodes, and your pelvic symptom history to guide a more targeted evaluation. If this pattern sounds familiar, reach out to schedule a consultation so we can help clarify what’s driving your symptoms and discuss next steps.

Chest Pain Linked to Your Cycle?

Thoracic endometriosis causes chest tightness and breathing changes that flare with your period. Our specialists pinpoint symptoms and guide you toward relief and proper diagnosis.

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Dr. Steven Vasilev delivers best-in-class endometriosis guidance and a personalized treatment plan—built on evidence and your unique biology.


Led by Steven Vasilev, MD—an internationally recognized endometriosis specialist & MIGS surgeon—Lotus Endometriosis Institute is virtual-forward, with many patients traveling nationally for care. Clinical evaluation and surgical treatment are provided in California.

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