What could a bony hard lump on front side of clavicle be?

I had a lump that sounds similar to the one you described in front of my right ear. It was just a swollen lymph node. My general practitioner was able to remove it without any problems.   I...

It can be a tumor, but most likely it's a lipoma.

Doctors are taught that any new hard growth is cancer, until proven otherwise. Your problem could be a benign condition or could possibly be cancer. You need to see a doctor ASAP.

what causes a single hard painless nodule on your clavicle? age 50

Go to the emergency room. This sounds like some form of cancer, possibly with the thyroid gland involved. Go there now. Answer . Don't panic! Children are known to have swollen glands and it...