PTC located in the upper pole is more prone to lateral lymph node metastasis and skip metastasis.
Yi DouDaixing HuYingji ChenWei XiongQi XiaoXinLiang SuPublished in: World journal of surgical oncology (2020)
In our opinion, papillary thyroid tumours located in the upper pole may have an exclusive drainage pathway to the lateral lymph nodes. When the tumour is located in the upper pole, lateral neck dissection should be evaluated meticulously.