Article BMI adult anaplastic thyroid carcinoma body mass body weight loss cancer risk endocrine carcinoma excision female fine needle aspiration biopsy follow up histopathology human human cell human tissue major clinical study male middle aged nodule size non invasive follicular thyroid neoplasm with papillary like nuclear obesity outcome assessment point of care testing prospective study retrospective study risk assessment tall cell variant papillary thyroid carcinoma thyroglobulin thyroid cancer