Several different kinds of tumors can grow in bones: primary bone tumors, which form from bone tissue and can be malignant (cancerous) or benign (not cancerous), and metastatic tumors
If you wanted the perfect illustration of how to "dig yourself a hole" Healthcare and the Covid pandemic provided it. In what history will record as a concerted and unprecedented effort, governments, scientists, doctors and the healthcare industry globally, indulged in a public campaign to combat the SARS-COV2, commencing in early 2020. This campaign still persists.