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letter
. 2014 Oct 31;29(6):830–833. doi: 10.3904/kjim.2014.29.6.830

Figure 3.

Figure 3

Chest computed tomography images of paratracheal lymph nodes. (A) Paratracheal lymph node enlarged at the time of initial diagnosis. (B) Disease progression after two cycles of pemetrexed-cisplatin as first-line chemotherapy. (C) Partial response after 2 months of erlotinib. (D) Image before rebiopsy, showing the paratracheal lymph node had increased in size despite erlotinib treatment.