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Published on: 9/12/2026

Is it normal for the xiphoid process to stick out or feel like a lump?

Yes, in many cases a protruding xiphoid process is a normal anatomical variation, since this small cartilage-and-bone tip at the bottom of the sternum can naturally angle outward and feel like a firm lump under the skin, especially in thin or very active people, children, and after weight loss. It may also become more noticeable or tender with xiphoiditis, injury, CPR, heavy lifting, acid reflux, or costochondritis, and rarely a lump in that area reflects a hernia, cyst, or growth rather than the bone itself. Warning signs worth attention include a lump that grows, changes shape, feels soft or pulsating, or comes with severe pain, fever, vomiting, or trouble breathing. There are several important distinctions to consider, so see below to understand more about when a bony bump is harmless and when it needs evaluation.

Because a lump at the base of the breastbone can be normal anatomy or a sign of inflammation, hernia, or another condition, a few targeted questions about your symptoms can help you tell the difference quickly, so take a free, instant, online symptom check to better understand what may be causing it and what to do next.

Last reviewed for medical accuracy: 09/11/2026

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Explanation

Understanding the Xiphoid Process

The xiphoid process is the small, cartilaginous (and later bony) tip at the bottom of your sternum (breastbone). Though it’s tiny—often just a few centimeters long—it can sometimes feel more prominent or lump-like, especially when you press on your upper abdomen. In most cases, this is a normal variation in anatomy.

Key points about the xiphoid process:

  • It starts as flexible cartilage in childhood and usually ossifies (turns to bone) by age 40.
  • Its shape and angle vary widely—from straight to hooked or bifurcated (split).
  • It lies just above where many abdominal muscles and the diaphragm attach.

Why Your Xiphoid Process Can Feel Like a Lump

  1. Normal Anatomical Variation

    • Some people naturally have a longer or more downward-pointing xiphoid process.
    • When you lie flat or press on your midline, it can “stick out” more than you expect.
  2. Cartilage Ossification

    • As you age, the cartilage hardens. A now-rigid tip can be more noticeable under the skin.
  3. Muscle and Fat Distribution

    • Low body fat or well-defined abdominal muscles make the xiphoid tip more visible or palpable.
    • Conversely, in some people a small fat pad can collect above the xiphoid, mimicking a lump.
  4. Posture and Movement

    • Slouching or rounding your shoulders can accentuate the sternum and xiphoid tip.
    • Deep breathing or straining (like lifting heavy objects) can push the tip forward.

When a Prominent Xiphoid Process Is Still Normal

  • No pain, tenderness or bruising
  • Lump doesn’t grow, change shape or become red/warmer
  • No associated digestive upset (heartburn, nausea)
  • No history of trauma to the chest or abdomen

If all you notice is a firm little bump that’s been there for years without causing trouble, it’s almost always just your normal anatomy.

Possible Concerns and When to Investigate

While most prominent xiphoid tips are harmless, other issues can mimic or complicate the picture:

  • Xiphodynia (Xiphoid Syndrome)
    • Inflammation of the xiphoid cartilage or its attachments
    • Symptoms: sharp pain under the sternum, worse with bending, lifting or deep breaths
  • Epigastric Hernia
    • A small bulge of abdominal fat or tissue through a defect in the mid-line muscle above the navel
    • May feel like a lump just below the sternum
  • Lipoma or Soft-Tissue Mass
    • A benign fatty tumor can appear anywhere, including over the xiphoid
  • Costochondritis
    • Inflammation of rib-cartilage junctions near the sternum, causing tenderness
  • Fracture or Trauma
    • A fall or impact can injure the xiphoid, leading to swelling, bruising or pain

Red-Flag Symptoms

Seek prompt medical attention if you experience any of the following:

  • Sudden, severe chest or upper-abdominal pain
  • Lump that grows rapidly, changes color or becomes ulcerated
  • Fever, chills or signs of infection at the site
  • Difficulty breathing or swallowing
  • Persistent nausea, vomiting or bloody stools
  • Unexplained weight loss or night sweats

How Is a Xiphoid Lump Evaluated?

  1. Medical History & Physical Exam
    • Your doctor will press around the sternum, assess pain points and ask about related symptoms.
  2. Imaging Studies
    • X-ray or low-dose CT scan to check bone/cartilage shape and look for hernias.
    • Ultrasound to evaluate soft-tissue masses like lipomas.
  3. Specialist Referral
    • If inflammation (xiphodynia) or hernia is suspected, you may see a general surgeon or sports medicine physician.

Treatment Options

  • Reassurance & Monitoring
    • For a simple, painless prominence, no treatment is needed—just watch it over time.
  • Pain Relief
    • Over-the-counter NSAIDs (ibuprofen, naproxen) for xiphodynia or costochondritis.
    • Heat, ice packs and gentle stretching of chest muscles.
  • Physical Therapy
    • Posture correction, breathing exercises and muscle-strengthening can reduce strain on the xiphoid area.
  • Surgical Options
    • Rarely needed. In persistent, severe xiphodynia, your surgeon may remove part of the xiphoid (xiphoidectomy).
    • Hernia repair if an epigastric hernia is confirmed.

Self-Check and Next Steps

If you’re unsure whether your xiphoid prominence is normal or needs further attention, consider a free, online symptom check, using the doctor approved Ubie Symptom Checker. It can help guide you on when to seek in-person evaluation.

Remember: while most xiphoid lumps are harmless, you should speak to a doctor about any chest- or abdomen-related pain, rapidly changing lumps, or worrisome symptoms that could be life-threatening or serious. Appropriate evaluation ensures peace of mind and the right treatment if needed.

(References)

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