Table 1.

Clinical and pathologic findings

Case	Age (years)	Sex	Tumor size (cm)	Tumor site	Lesion Epicenter	Papillary growth	Nuclear atypia	Nuclear grooves	Mitoses Per 10 hpf	IBT	+LN met	ENE	Treatment	Evidence of disease	Follow up (months)
1	74	M	4.0	RUL	Intra-thyroidal	Present, focal	Severe	Yes	10	No	Yes; Central, VI: 0/3 Levels II–V: 3/21	No	Thyroidectomy and right levels II–V and right level VI LN dissection; Radiotherapy and Chemotherapy	Liver metastasis; DOD	12
2	52	F	2.4	Left mid inferior	Intra-thyroidal	Present	Mild	Yes	3	No	Yes; Paratracheal: 1/3 Lateral neck: ND	No	Thyroidectomy and paratracheal LN dissection	NED	26
3	55	F	2.6	Trachea/Left thyroid	Trachea and thyroid	Present, focal	Mild	Yes	2	Yes	Yes; Paratracheal: 5/17 Left Neck: 0/24	No	Thyroidectomy, tracheal resection, and LN dissection; Postoperative radiation	NED	43

DOD death of disease, ENE extranodal extension, F female, IBT involvement beyond thyroid, hpf high power fields, LN lymph node, M male, NED no evidence of disease, ND not done, RUL right upper thyroid lobe, +LN met, lymph node metastasis