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Images showing no evidence of PTB pre-treatment (A), while (B,C) show development of PTB during administration of nivolumab. (D) shows a follow-up radiological investigation demonstrating cancer progression. (A) Initial disease progression (2 Apr 2014). (B,C) PTB infection during nivolumab treatment (22 Apr 2016). (D) Progression of disease (9 May 2016).
