Research Paper Volume 16, Issue 11 pp 9824—9845
Age-related nomogram revealed optimal therapeutic option for older patients with primary liver cancer: less is more
Figure 7. The Kaplan-Meier curve for overall survival (OS) among different treatments in three age groups (A) and further subgroup analysis in the sex (B), site (C), grade (D), AFP (E), tumor size (F), T stage (G), N stage (H) and M stage (I). N, no treatment; S, surgery alone; C, chemotherapy alone; R, radiation alone; S+C, surgery combined with chemotherapy; S+R, surgery combined with radiation; C+R, chemotherapy combined with radiation; and S+C+R, surgery combined with chemotherapy and radiation.