A recent 2015 study revealed that large thyroid nodules (over 3cm) have a higher risk of cancer and that needle biopsies are not very accurate in diagnosing cancer in such large nodules. This is hardly the first study to demonstrate this. In a 2009 study , surgeons at the University of Wisconsin found that fine needle aspiration biopsy (FNAB) in 26 of 52 FNAB reported as benign (50.0%) turned out to be either neoplastic (22) or malignant (4) on final pathologic analysis after thyroidect…