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  Indian J Med Microbiol
 

Figure 2: The Kaplan–Meier curves showing cancer-specific survival stratified by (a) type of surgery, (b) pathological T stage, (c) grade, (d) lymphovascular invasion, (e) perineural invasion, (f) nodal status, (g) pathological nodal stage, (h) extranodal extension

Figure 2: The Kaplan–Meier curves showing cancer-specific survival stratified by (a) type of surgery, (b) pathological T stage, (c) grade, (d) lymphovascular invasion, (e) perineural invasion, (f) nodal status, (g) pathological nodal stage, (h) extranodal extension