Pathology Following are spontaneous resolution tumours except-a) Malignant melanomab) Osteogenic sarcomac) Cholangio carcinomad) Retinoblastoma A a B c C bc D ad 💡 Explanation Following are spontaneous resolution tumours except-a) Malignant melanomab) Osteogenic sarcomac) Cholangio carcinomad) Retinoblastoma ✓ Correct Answer: C. bc