3D Models of Primary tumour T3

This collection of 3D models highlights primary thyroid tumours classified as T3, including lesions exceeding 4 cm in greatest dimension (T3a) and those with gross extrathyroidal extension into the strap muscles (T3b). The visualizations detail the significant tumour bulk displacing and compressing adjacent structures, as well as the capsular breach and infiltration into the anterior neck musculature. By demonstrating these advanced local features, the category enhances the anatomical understanding of high-risk primary tumours and underscores the need for more extensive surgical resection and vigilant postoperative surveillance due to the increased risk of local recurrence.

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