Table 2: Patient, tumour, treatment, and recurrence data for patients with multiple recurrences of well-differentiated thyroid carcinoma.

Age
Gender (M Versus F)
Extent of initial surgery (ST versus TT)
Neck dissection
Iodine 131 therapy
External beam radiation therapy
Histologic type—overall
Tall cell versus others
Stage I/II versus IV
Size cm
Multifocal disease
Lymphatic invasion
Vascular invasion
Extrathyriodal extention
Distant metastasis
MACIS
Time to recurrence months
Site of recurrence
Mode of detection
Clinical
Imaging
Thyroglobulin
Treatment of recurrence
Surgery
Iodine 131 therapy
External beam radiation therapy

ST: subtotal thyroidectomy;TT: total thyroidectomy
; ;
trend toward significance.