Table 2.

Relationship between tumor VEGF-C protein expression and clinicopathologic features of PTC

VariablesnMedian25-75 percentileP
Age (y)
Tumor size (mm)
Extrathyroidal invasion
Lymphovascular permeation
Lymph node metastasis
Distant metastasis
  • * Multifocality is defined as the presence of additional tumor foci noncontiguous to the primary tumors in the resected thyroid specimens.

  • Extrathyroidal invasion as the extension of tumor beyond the thyroid capsule to the perithyroidal tissue.

  • The presence of tumor cells within the vascular or lymphatic endothelium.

  • § P < 0.05.