Is it normal to have a hard lump under the belly button after laparoscopy?

Reviewed by Yoshinori Abe, MD

Internal Medicine

A hard lump under the belly button after laparoscopy is common and often part of the normal healing process, caused by internal scar tissue, stitches dissolving, or minor swelling around the incision site. In most cases, the lump softens and shrinks over several weeks to months. However, a hard lump can sometimes signal a complication such as a hernia, infection, hematoma, or seroma, especially if it grows, becomes painful, red, warm, or is accompanied by fever or nausea.

Because the causes range from harmless to serious, it's worth investigating your specific symptoms rather than guessing. A free, instant, online symptom check can help you quickly identify possible causes based on your unique situation and guide you on whether to monitor at home or seek medical care. Taking a few minutes now could save you unnecessary worry—or catch a complication early.

Reviewed for medical accuracy: 07/15/2026

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Explanation

After a laparoscopy, it is not unusual to feel a hard lump under the belly button. This lump can be caused by how your body heals after the surgery. Sometimes, scar tissue forms at the spot where the surgery was done, and this can feel like a small bump.

In other cases, the lump might happen because of bleeding under the skin (a hematoma) or a small infection at the incision site. Rarely, there can be other causes like a deposit of endometrial tissue if you have had gynecologic procedures. Most often, these lumps are a normal part of the recovery process and they may get smaller as you heal.

However, if you notice that the lump is getting bigger, feels very painful, or if you develop signs of an infection like fever or redness, it is important to talk with your doctor. You can also check your symptoms to better understand what might be causing your concerns and when to seek medical care.

(References)

Sano R, Oka A, Hirata E, Ochiai H. Umbilical Complications That Require Surgical Intervention after Gynecologic Laparoscopic Surgery. Plast Reconstr Surg Glob Open. 2023 Nov 13;11(11):e5391. doi: 10.1097/GOX.0000000000005391. PMID: 37964921; PMCID: PMC10642900.
Munkres B, Espinet M. Umbilical Endometriosis Following Laparoscopic Cholecystectomy. Cureus. 2021 Apr 17;13(4):e14538. doi: 10.7759/cureus.14538. PMID: 34017653; PMCID: PMC8130643.
Marcovici I. Significant abdominal wall hematoma from an umbilical port insertion. JSLS. 2001 Jul-Sep;5(3):293-5. PMID: 11548838; PMCID: PMC3015455.

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