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Pancreas cancer as a second primary malignancy. A population-based study

A I Neugut1, H Ahsan, E Robinson

  • 1Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA.

Cancer
|August 15, 1995
PubMed
Summary

Second primary pancreatic cancer risk is elevated following lung cancer, especially in women. This suggests cigarette smoking is a significant risk factor for pancreatic cancer, with a stronger effect observed in females.

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Area of Science:

  • Oncology
  • Epidemiology
  • Cancer Etiology

Background:

  • Investigating second primary malignancies provides insights into cancer causes.
  • Risk factors for pancreatic carcinoma are not well understood.
  • This study examined pancreatic cancer as a second primary malignancy.

Purpose of the Study:

  • To investigate the risk of developing pancreatic cancer as a second primary malignancy.
  • To identify potential risk factors and patterns associated with second primary pancreatic cancer.
  • To explore the relationship between prior cancers and subsequent pancreatic cancer development.

Main Methods:

  • Utilized data from the Surveillance, Epidemiology, and End-Results (SEER) program (1973-1990).
  • Calculated person-years of follow-up for various initial cancer sites.

Related Experiment Videos

  • Estimated relative risk (RR) of second primary pancreatic cancer using observed and expected case numbers.

    • Main Results:

    • Elevated risk of second primary pancreatic cancer observed after lung cancer in both men (RR 1.3) and women (RR 2.5).
    • Increased risk also noted after head and neck cancer (women, RR 1.8) and bladder cancer (women, RR 1.5).
    • A slight elevation in risk was found after prostate cancer (RR 1.2), while a decreased risk was observed after lymphoma in men (RR 0.2).

    Conclusions:

    • Second primary pancreatic cancer is more common after tobacco-related malignancies, particularly in females.
    • Findings support cigarette smoking as a risk factor for pancreatic cancer, with a potentially stronger effect in women.
    • Further research is needed to confirm the elevated risk after prostate cancer and decreased risk after lymphoma in males.