Figure 2.

(A) Survival of lung cancer with bone metastasis stratified by gender; (B) survival of lung cancer with bone metastasis stratified by histological types; (C) survival of lung cancer with bone metastasis stratified by total number of sites; (D) survival of lung cancer with bone metastasis stratified by primary sites; (E) survival of lung cancer with bone metastasis stratified by tumor sizes; (F) survival of lung cancer with bone metastasis stratified by grade; (G) survival of lung cancer with bone metastasis stratified by surgery; (H) survival of lung cancer with bone metastasis stratified by radiation; (I) survival of lung cancer with bone metastasis stratified by chemotherapy.