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Paolo Olivo Lausi



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    GR01 - Thymic Malignancies Tumor Board (ID 777)

    • Event: WCLC 2018
    • Type: Grand Rounds Session
    • Track: Thymoma/Other Thoracic Malignancies
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/25/2018, 10:30 - 12:00, Room 206 F
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      GR01.02 - Surgical Oncology (ID 11387)

      10:45 - 11:00  |  Author(s): Paolo Olivo Lausi

      • Abstract

      Abstract not provided

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    P1.16 - Treatment of Early Stage/Localized Disease (Not CME Accredited Session) (ID 948)

    • Event: WCLC 2018
    • Type: Poster Viewing in the Exhibit Hall
    • Track:
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/24/2018, 16:45 - 18:00, Exhibit Hall
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      P1.16-64 - The Histological Predominant Pattern Could Predict Site of Recurrence and Metastasis in Surgically Treated Stage I Adenocarcinoma of the Lung (ID 12281)

      16:45 - 18:00  |  Author(s): Paolo Olivo Lausi

      • Abstract
      • Slides

      Background

      Pattern-based subtyping of adenocarcinoma of the lung is currently recommended due to prognostic implications. We aimed to evaluate whether predominant pattern subtype in surgically treated stage I adenocarcinoma of the lung can predict first site of recurrence or metastasis.

      a9ded1e5ce5d75814730bb4caaf49419 Method

      We retrospectively reviewed clinical information, radiological findings, PET/CT-records, and pathological features (classified by IASLC/ATS/ERS subtyping criteria) of 906 Stage-I adenocarcinoma of the lung, who underwent surgery in 7 Centers. Patients were classified by histologic grade according to the IASLC/ATS/ERS classification as follow: intermediate grade (Invasive Lepidic, Acinar, Papillary) vs. high grade (Micropapillary, Solid) vs. NOS. The date of recurrence or metastases was defined as the first radiographic evidence of cancer relapse upon imaging or pathological tumour evidence from a biopsy. Univariate and multivariate logistic analysis were used to identify predictors of first site of recurrence or metastasis.

      4c3880bb027f159e801041b1021e88e8 Result

      A total of 248 (27%) patients developed recurrence or distant metastasis. The most commonly observed first location of recurrence was ipsilateral thorax (133 cases, 44%), followed by brain (27, 11%), contralateral lung (24, 10%), bones (11, 4%), liver and adrenal gland (10, 4%). Forty-three patients (17%) presented recurrence or metastasis in multiple sites simultaneously at the time of diagnosis. At multivariate analysis, patients with intermediate-grade histology developed intra-thoracic recurrence more frequently compared to the remainder of the cohort (odds ratio (OR) 1.85, 95% confidence interval (CI): 1.1– 3.18, P=0.038). Patients with high-grade histology developed contralateral lung metastasis (OR 2.1, 95%CI 1.1-4.2, P= 0.044) and brain metastasis (OR 2.5, 95%CI 1.3-5.1, P<0.01) more frequently compared to the low-grade ones.

      8eea62084ca7e541d918e823422bd82e Conclusion

      Predominant pattern subtype seems to predict site-specific recurrence and metastasis in surgically treated Stage I adenocarcinoma of the lung.

      6f8b794f3246b0c1e1780bb4d4d5dc53

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