Erratum

After publication of the original article [1] the authors found the following errors had occurred:

  1. 1.

    Figure titles were incorrect:

  • Figure 1 should be titled: Kaplan-Meier survival curve comparing sequence of RT in patients who received RT and surgery (Fig. 1)

  • Figure 2 should be titled: Kaplan-Meier survival curve comparing patients who received RT vs. no RT (Fig. 2)

  • Figure 3 should be titled: Kaplan-Meier survival curve comparing patients who received surgery vs. those that did not (Fig. 3)

  1. 2.

    In Table 6, all P values should be <0.001 instead of >0.001 (Table 6)

Fig. 1
figure 1

Kaplan-Meier survival curve comparing sequence of RT in patients who received RT and surgery

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Fig. 2
figure 2

Kaplan-Meier survival curve comparing patients who received RT vs. no RT

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Fig. 3
figure 3

Kaplan-Meier survival curve comparing patients who received surgery vs. those that did not

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Table 6 Cox proportional hazards model for prognostic factors
Full size table

Corrected versions of these figures and tables are included in this Erratum.

Corrected Figure 1

Corrected Figure 2

Corrected Figure 3

Corrected Table 6