PMC9664913_01
Chest computed tomography showing a nodular shadow in the left upper lobe.
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A 67-year-old Japanese male never-smoker was diagnosed with stage IA3 lung adenocarcinoma of the left upper lobe (Figure 1).
Chest computed tomography showing ascites 33 months after operation.
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However, ascites accumulated 33 months after the operation (Figure 2), paratracheal lymph node metastasis and pleural dissemination emerged (Figure 3), and positron emission tomography-computed tomography (CT) showed accumulation in the bronchial and axillary lymph nodes (Figure 4).
Chest computed tomography showing paratracheal lymph node metastasis and pleural dissemination.
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However, ascites accumulated 33 months after the operation (Figure 2), paratracheal lymph node metastasis and pleural dissemination emerged (Figure 3), and positron emission tomography-computed tomography (CT) showed accumulation in the bronchial and axillary lymph nodes (Figure 4).
Positron emission tomography-computed tomography showing accumulation in the bronchial and axillary lymph nodes.
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However, ascites accumulated 33 months after the operation (Figure 2), paratracheal lymph node metastasis and pleural dissemination emerged (Figure 3), and positron emission tomography-computed tomography (CT) showed accumulation in the bronchial and axillary lymph nodes (Figure 4).
Clinical course of patient with peritoneal carcinomatosis of lung cancer.
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His abdominal distention resolved, and drainage of peritoneal ascites was no longer required (Figure 5).
Chest computed tomography showing (A) shrinkage of paratracheal and axillary lymph nodes and (B) decreased peritoneal fluid after initiation of dabrafenib/trametinib therapy.
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Chest CT after the initiation of dabrafenib and trametinib therapy revealed reduced paratracheal and axillary lymph nodes (Figure 6A) and decreased peritoneal ascites (Figure 6B).  