Hard bony round lump on right of rib cage /upper abdomen. The lump goes in when I exhale, and comes back out when I inhale. It doesn't hurt when I touch it.
Tumors of the rib - ScienceDirect
Liver Cancer: Signs, Symptoms, and Complications
Is a hard large lump on the rib cage dangerous? I have had it for at least 2 years. - Quora