A Case of Synchronous Subcarinal Lymph Node Metastasis from Double Primary Cancers with Small Cell Lung Cancer and Prostate Cancer.

Authors

Tsukasa Satoh, Ryota Saito, Toshio Oyama, Ryosuke Tajiri, Kazuyuki Miyata, Hinata Matsuda, Takuya Inoue, Kouki Hata, Makoto Kawaguchi, Hiroaki Kobayashi, Toshiharu Tsutsui, Yumiko Kakizaki, Yoshihiro Miyashita

Published in

Internal medicine (Tokyo, Japan). Jul 11, 2026. Epub Jul 11, 2026.

Abstract

A 78-year-old man presented with a history of weight loss. A systemic examination revealed lung and prostate cancers. Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) of a subcarinal lymph node revealed combined small-cell and non-small-cell carcinoma. Prostate-specific antigen (PSA) staining was performed to exclude distant metastases from prostate cancer. A positive result confirmed synchronous lymph node metastasis from a double cancer of small cell lung cancer and prostate cancer. When biopsies reveal multiple histological types, the possibility of metastasis from other cancer types should be carefully evaluated.

PMID:
42438018
Bibliographic data and abstract were imported from PubMed on 13 Jul 2026.

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