Following total thyroidectomy for recurrence of papillary carcinoma, determination of which of the following levels is prognostically useful for follow-up in children:
A Thyroid-stimulating hormone TSH
B Calcitonin
C N-ras gN-ras
D Thyroglobulin
E p21 ras protien
A Thyroid-stimulating hormone TSH
B Calcitonin
C N-ras gN-ras
D Thyroglobulin
E p21 ras protien
Comment