SELL and neoplasm: Further, significant positive correlation of L-Selectin expression in PTC patients with larger tumour size (T3 + T4) (χ2 = 7.955, r = +0.310, P = 0.004) and presence of extrathyroidal extension of tumours (χ2 = 12.120, r = +0.382, P < 0.001) as compared to the respective counterparts was observed.