BRAF V600Q-mutated lung adenocarcinoma with duodenal metastasis and extreme leukocytosis

Figure 1 Computed tomography scan of the chest showing the left lung mass. A: At the time of diagnosis; B: Explosive growth of the tumor after two cycles of chemotherapy.

Figure 2 Esophagogastroduodenoscopy showing the malignant-appearing 1-cm mass in the second part of the duodenum. The scope could not traverse the lesion and the exam could not be finished. Cold forceps biopsies were taken for histology.