“…16 Lymph node (LN) metastases were detected in 3.1-18.2% of patients. 14,15 Marked geographic differences in incidence rates were noted: 1% in Brazil, 12 13% in Hong Kong (unpublished data from Queen Elizabeth Hospital), 11.3-28.4% in Japan, 4,13,17 1.5% in Greece, 18 and 35.6% in Finland. 15 Based on the high incidence in autopsy studies in Finland, this common incidental finding was viewed as a normal finding, and tumors that measured Ő
5 mm were considered tumor instead of carcinoma to avoid unnecessary surgeries.…”