Prognostic Factors Analysis and Nomogram Construction of Dual Primary Lung Cancer: A Population Study

Figure 1

Kaplan–Meier estimated specific survival in patients with DPLC stratified by age (a), sex (b), race (c), histological type (d), grade (e), primary site (f), stage (g), LN metastasis (h), and surgery (i).

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)