Pathology Tertiary hyperparathyroidism is- A High PO 4 level with metastasis B Secondary hyperparathyroidism with CRF C Primary hyperparathyroidism with low Cam' levels D Secondary hyperparathyroidism with chief cell adenoma 💡 Explanation Tertiary hyperparathyroidism is- ✓ Correct Answer: D. Secondary hyperparathyroidism with chief cell adenoma