“…A variety of other primary sites, including the thyroid gland, have been reported [36]. A systematic and thorough search of the literature (English language) and PubMed database using key-words, including "angiosarcoma", "thyroid", and "primary", revealed only 58 cases of histologically confirmed PTAs [2,3,4,5,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,27,31,33,34].…”