Dramatic response to immunotherapy in an epidermal growth factor receptor-mutant non-small cell lung cancer: A case report

Figure 1 Computed tomography imaging of the non-small cell lung cancer patient. A: Computed tomography imaging showed the mass located in lower lobe of left lung before gefitinib treatment; B: The mass enlarged and increased slightly after 11 mo of gefitinib treatment; C; The mass shrank significantly after treated with 2 cycles of pemetrexed plus carboplatin; D: The mass enlarged sharply after treated with 5 cycles of pemetrexed; E: The mass shrank significantly during pembrolizumab treatment; F: The mass enlarged and increased slightly after 10 mo of pembrolizumab treatment.

Figure 2 Timeline of events since the diagnosis and summary of administered treatments.