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Related Experiment Videos

Apical lung carcinoma.

K Ahmad, J V Fayos, M M Kirsh

    Cancer
    |September 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    Radiation therapy for apical lung carcinoma yielded modest survival rates, with better outcomes for earlier stage (T2) and node-negative (N0) patients. Advanced local extension significantly worsened prognosis, and preoperative irradiation offered no added benefit over radiation alone.

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    Area of Science:

    • Oncology
    • Radiation Oncology
    • Thoracic Surgery

    Background:

    • Apical lung carcinoma presents unique treatment challenges.
    • Historically, treatment involved supervoltage external radiation or combined modalities.

    Purpose of the Study:

    • To evaluate the long-term outcomes of apical lung carcinoma treated with radiation therapy.
    • To identify prognostic factors influencing survival in these patients.

    Main Methods:

    • Retrospective analysis of 63 consecutive apical lung carcinoma cases treated between 1955-1975.
    • Treatment modalities included radiation alone or combined radiation and surgery.
    • Actuarial survival rates were calculated based on tumor stage and nodal status.

    Main Results:

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    • 3-year and 5-year actuarial survival rates were 27.9% and 20.9% for radiation therapy alone (5000-6000 cGy).
    • Survival was significantly better for T2 lesions (24.9%) versus T3 lesions (7.9%).
    • N0 patients (no regional adenopathy) showed improved survival (30.2% for T2N0, 11.6% for T3N0).
    • Local osseous and nervous extensions correlated with poor prognosis.
    • Preoperative irradiation did not improve survival compared to radiation therapy alone.

    Conclusions:

    • Radiation therapy alone can achieve long-term survival in a subset of apical lung carcinoma patients.
    • Tumor stage, nodal status, and local extension are critical prognostic indicators.
    • Current treatment strategies may need re-evaluation for apical lung carcinoma, particularly regarding preoperative irradiation.