Research Article

Chinese Herbal Decoction Based on Syndrome Differentiation as Maintenance Therapy in Patients with Extensive-Stage Small-Cell Lung Cancer: An Exploratory and Small Prospective Cohort Study

Figure 3

(a) Patients in a relatively stable state after 6 months of CHD treatment; (b) length of CHD treatment in 422 patients; ((c), (d)) patients were grouped by CHD >12 months and CHD <12 months for PFS and PPS, respectively.
(a)
(b)
(c)
(d)