[A Case of Synchronous Double Cancer of the Lung and Stomach That Responded to Cisplatin and S-1 Combination Chemotherapy].

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[A Case of Synchronous Double Cancer of the Lung and Stomach That Responded to Cisplatin and S-1 Combination Chemotherapy].

Gan To Kagaku Ryoho. 2017 Jan;44(1):67-69

Authors: Sugiyama T, Kasai T, Nakamura Y, Kamiyama Y, Mori K

Abstract
A 55-year-old man experienced weight loss, as noted by a physician who was examining him for hypertension. Upper gastrointestinal endoscopy revealed a tumor lesion with an ulcer on the posterior wall of the greater curvature. A biopsy confirmed the presence of an adenocarcinoma(HER2 negative), and demonstrated enlarged para-aortic lymph nodes. Thus, stage IV type 3 ulcer infiltration-type gastric cancer was diagnosed. Computed tomography was included in the examination, and demonstrated nodular shadows in the right lower lobe and enlarged mediastinal nodes, as well as bilateral multiple granular shadows. Hence, bronchoscopy was performed, and another adenocarcinoma(EGFR mutation negative/EML4-ALK gene fusion negative)was diagnosed. Immunostaining showed that the pulmonary and gastric adenocarcinoma tissues were different, and synchronous double cancer was diagnosed. Four courses of CDDP/S-1were administered, and both the lesions showed a partial response.

PMID: 28174383 [PubMed - in process]

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