The 3D model depicts a primary tumour classified as T1b, showing a neoplasm measuring greater than 1 cm but not exceeding 2 cm in greatest dimension, confined to the thyroid gland without extrathyroidal extension. It illustrates the slightly larger tumour burden compared to T1a lesions, emphasizing that while still confined to the gland, the increased size may influence surgical decision-making and risk stratification, yet the absence of local invasion maintains a favourable overall prognosis within the T1 category.
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