
What Causes Hard Lump Below Sternum?

Your chest x-ray is just fine.
Detailed Answer:
Hello!
Thank you for the query.
A lump which can be palpated for sure is not localized inside the chest. Please note that chest is limited by ribs, muscles and few layers of membrane. It is impossible to palpate any lump inside the chest. So making an X-ray is just pointless. This test give general information about lungs condition, possible air or fluid inside the chest. It can also diagnose large tumors of lungs. But it does not tell anything about the lump which you can easily palpate. Your x-ray is fine. And no need to worry.
Can you please make a picture of this lump and attach it?
Lumps which can be palpated are usually benign skin lesions. It can be a lipoma or sebaceous cyst. Lipoma is usually soft and painless. Sebaceus cyst usually gives a tiny hole on the surface of the skin. It can be painful.
I do not think that CT is what you need. Soft tissues ultrasound would be just enough to determine the type of this lump. Both lipoma and sebaceous cyst do not turn into a cancer. Both can be removed with small incision and local anesthesia and tested by a pathologist.
Hope this will help. Feel free to ask further questions.
Regards.


The lump, for the record, is hard and unmovable. It feels like bone to me. It's just that it feels more prominent than that area ever has before.
This lump can not be anything serious.
Detailed Answer:
In this location, so superficial there is no way it can be anything malignant. It can be a part of xiphoid processus, soft tissues lump. At worst, it can be a hernia. But not a cancer for sure.
CT is a test which gives some dosage of radiation. So it should not be overused. Ultrasound is much safer and quicker. It is worth to consider it instead of CT.
Regards.

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