Distribution and risk of the second discordant primary cancers combined after a specific first primary cancer in German and Swedish cancer registries.

We aimed at investigating the distribution and risk of all second discordant primary cancers (SDPCs) after a specific first primary cancer in Germany and Sweden to provide etiological understanding of SDPCs and insight into their incidence rates and recording practices. Among 1,537,004 survivors of first primary cancers in Germany and 588,103 in Sweden, overall 80,162 and 32,544 SDPCs were recorded, respectively. Standardized incidence ratios (SIRs) of all SDPCs were elevated at levels between 1.1 and 2.1 after 23 (out of overall 29) cancers in Germany and at levels between 1.1 and 1.6 after 24 cancers in Sweden, and among them, elevated SIRs were found after 19 cancers in both populations. Decreased SIRs at levels ranging from 0.5 to 0.9 were found for some cancers with poor prognosis in Germany only. We found elevated risk after 19 out of 29 cancers in both countries, suggesting common etiology of SDPCs after most of first cancers and registration similarity. Decreased risks after some fatal cancers were found only in Germany, which may be attributed to reporting practices or missed death data in Germany.

Fallah, Mahdi (författare)
Jansen, Lina (författare)
Castro, Felipe A (författare)
Krilavicuite, Agne (författare)
Katalinic, Alexander (författare)
Eisemann, Nora (författare)
Emrich, Katharina (författare)
Holleczek, Bernd (författare)
Geiss, Karla (författare)
Eberle, Andrea (författare)
Sundquist, JanLund University,Lunds universitet,Allmänmedicin och klinisk epidemiologi,Forskargrupper vid Lunds universitet,Family Medicine and Clinical Epidemiology,Lund University Research Groups(Swepub:lu)med-jsu (författare)
Brenner, Hermann (författare)
Hemminki, KariLund University,Lunds universitet,Allmänmedicin och klinisk epidemiologi,Forskargrupper vid Lunds universitet,Family Medicine and Clinical Epidemiology,Lund University Research Groups(Swepub:lu)med-khk (författare)
Allmänmedicin och klinisk epidemiologiForskargrupper vid Lunds universitet (creator_code:org_t)

Av författaren/redakt...: Chen, Tianhui; Fallah, Mahdi; Jansen, Lina; Castro, Felipe A; Krilavicuite, Ag ...; Katalinic, Alexa ...; visa fler...; Eisemann, Nora; Emrich, Katharin ...; Holleczek, Bernd; Geiss, Karla; Eberle, Andrea; Sundquist, Jan; Brenner, Hermann; Hemminki, Kari; visa färre...

Om ämnet

MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Klinisk medicin; och Cancer och onkol ...

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