Fig. 2From: Scoring system and a simple nomogram for predicting radioiodine refractory differentiated thyroid cancer: a retrospective studyDistribution of metastatic sites. The metastatic sites were divided into 11 groups: 1. Lymph node metastasis; 2. Lung metastasis; 3. Bone metastasis; 4. Laryngeal or tracheal metastasis; 5. Liver metastasis; 6. Lymph node and lung metastasis; 7. Lymph node and tracheal metastasis; 8. Lymph node and pleural metastasis; 9. Lymph node and bone metastasis; 10. Lung and bone metastasis; and 11. Three or more metastatic sites. RR-DTC, radioiodine refractory differentiated thyroid carcinomaBack to article page