Cross section

SCALE BAR=1cm

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Clinical summary: 55 year old male with previous history of squamous cell carcinoma of left pyriform sinus treated with radiation therapy.

Figure legend:

Operative procedure: Resection of the left lobe of the thyroid gland.
Tumor location: Entire lobe.
Tumor size: 5.5 x 4.0 x 2.5 cm.
Tumor weight: 29 gm.
Tumor characteristics: Encapsulated, pale, tan to red brown mass with focal areas of hemorrhage.