<prompt> All are true about anaplastic carcinoma thyroid, except:Local infiltrationHighly chemosensitiveSurgery is of limited valueSpread by lymphatic route  <response>: Anaplastic carcinoma: - Local infiltration is the notorious feature of this carcinoma. - Survival rarely exceeds 6 months. - There is no evidence to suppo chemotherapy in this cancer. - Radiotherapy is given. Ref: Bailey Love, 25th Edition, Page 794. 