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CAP Home > Case of the Month > 2011 - Case Archives > Clinical Summary: Left lung

2011 — March Case of the Month

Posted April 08, 2011


CAP Foundation March 2011 Online Case of the Month

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78-year-old man with a history of prior colonic adenocarcinoma presents with a new left lower lobe lung mass. A lobectomy specimen showed a mass measuring 6.5 cm extending to the visceral pleura. The tumor cells were CK7 (+), CK20 (-), and TTF-1 (+).

The master list with the correct answer

  • Metastatic adenocarcinoma
  • Pulmonary adenocarcinoma,
      bronchioloalveolar type

  • Pulmonary adenocarcinoma, fetal type
  • Pulmonary adenocarcinoma, mixed subtype
  • Pulmonary adenocarcinoma, mucinous type

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