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      Synchronous Multiple Primary Cancers of the Lung: The Rare Association of Non-Small Cell Carcinoma With a Carcinoid Tumor

      case-report
      1 , , 2
      ,
      Cureus
      Cureus
      carcinoid tumor, metastatic non-small cell lung cancer, synchronous tumor

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          Abstract

          A 68-year-old female patient diagnosed with lung cancer in the left upper lobe with associated mediastinal adenopathy. The cancer was pathologically diagnosed as stage pT1bN0 typical carcinoid. Investigation of the mediastinal lymph nodes revealed an isolated metastatic non-small cell squamous cell carcinoma (NSCLC). A primary NSCLC was not found. The patient underwent successful surgical resection of both synchronous tumors, with no residual disease or recurrence. This case not only expands the histological field of combined neuroendocrine tumors, but it also highlights the importance of distinguishing various tumor types for disease treatment and prognosis.

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          Most cited references10

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          Predictors of outcomes after surgical treatment of synchronous primary lung cancers.

          Distinguishing synchronous primary lung cancers (SPLCs) from advanced disease is important because prognosis and treatments are very different and a surgical approach to SPLC may result in survival similar to solitary cancers. Determining this distinction with certainty, however, is challenging. We reviewed our experience with surgical resection of presumed SPLC to analyze outcomes and identify factors associated with prolonged survival.
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            Combined carcinoid tumor of the lung: A combination of carcinoid and adenocarcinoma

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              Combined atypical carcinoid tumour and squamous cell carcinoma of the lung.

              A 71-year-old man diagnosed with lung cancer in the right lower lobe with invasion to the middle lobe underwent right lower and middle lobectomy with mediastinal lymph node dissection. The cancer was pathologically diagnosed as stage IIB (pT3N0M0) with combined squamous cell carcinoma and an atypical carcinoid tumour. To the best of our knowledge, this is the first report of a combined atypical carcinoid tumour and non-small cell lung cancer. This case further expands the histological spectrum of combined neuroendocrine tumours.
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                Author and article information

                Journal
                Cureus
                Cureus
                2168-8184
                Cureus
                Cureus (Palo Alto (CA) )
                2168-8184
                20 August 2020
                August 2020
                : 12
                : 8
                : e9888
                Affiliations
                [1 ] Internal Medicine, Crozer-Chester Medical Center, Upland, USA
                [2 ] Hematology and Medical Oncology, Crozer-Chester Medical Center, Upland, USA
                Author notes
                Article
                10.7759/cureus.9888
                7502415
                24ef10dc-99e2-43e4-916a-43569c1f260a
                Copyright © 2020, Parsi et al.

                This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 12 June 2020
                : 19 August 2020
                Categories
                Internal Medicine
                Oncology
                Hematology

                carcinoid tumor,metastatic non-small cell lung cancer,synchronous tumor

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