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Topic · Epidemiology

Multiple and Secondary Primary Cancers

Multiple and Secondary Primary Cancers is a research topic within Epidemiology. Science Explorer counts 24k research works in it since 1950. 10.6% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the epidemiology, clinical characteristics, and risk assessment of multiple primary cancers, also known as second primary neoplasms. It includes research on cancer survivorship, genetic susceptibility, cancer incidence, and population-based studies to understand the prevalence and impact of multiple primary cancers.

  • Multiple Primary Cancers
  • Second Primary Neoplasms
  • Cancer Survivorship
  • Risk of Second Primary Malignancies
  • Clinical Characteristics
  • Epidemiological Analysis
  • Genetic Susceptibility
  • Cancer Incidence
  • Population-Based Study
  • Cancer Registry Data
Research works
24k
fractional, since 1950
In the world top 10%
2.5k
per year above
Top-10% rate
10.6%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+5%
the tick is no change
Largest producer
United States
36% of the 10 largest, 2022-now
Multiple and Secondary Primary Cancers

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Multiple and Secondary Primary Cancers research?

By volume, the United States and China publish the most (1.2k and 823 works in 2022-now).

By volume, 2022-now

  1. 1 United States 1.2k works
  2. 2 China 823 works
  3. 3 Japan 379 works
  4. 4 India 173 works
  5. 5 France 164 works
  6. 6 United Kingdom 153 works
  7. 7 Italy 151 works
  8. 8 Germany 148 works
  9. 9 South Korea 123 works
  10. 10 Russia 107 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 35.6%China: 23.9%Japan: 11.0%India: 5.0%6 others listed: 24.5%36%largest
United States1,227 · 35.6%China823 · 23.9%Japan379 · 11.0%India173 · 5.0%6 others listed846 · 24.5%

Shares of the rows listed above, not of the whole node.

Which institutions lead Multiple and Secondary Primary Cancers research?

By volume in 2022-now, Harvard University publishes the most Multiple and Secondary Primary Cancers research, followed by Chinese Academy of Medical Sciences & Peking Union Medical College and Sun Yat-sen University.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 50 works
  2. 2 Chinese Academy of Medical Sciences & Peking Union Medical CollegeChina 37 works
  3. 3 Sun Yat-sen UniversityChina 34 works
  4. 4 Peking UniversityChina 31 works
  5. 5 The University of Texas MD Anderson Cancer CenterUnited States 30 works
  6. 6 Sichuan UniversityChina 30 works
  7. 7 Mayo ClinicUnited States 29 works
  8. 8 Memorial Sloan Kettering Cancer CenterUnited States 25 works
  9. 9 Cleveland ClinicUnited States 24 works
  10. 10 Shanghai Jiao Tong UniversityChina 21 works

Who are the leading researchers in Multiple and Secondary Primary Cancers?

The most-cited researchers publishing on Multiple and Secondary Primary Cancers include Ahmedin Jemal, Christopher J L Murray and Rebecca L. Siegel.

  1. 1 Ahmedin Jemal United States 761k citations
  2. 2 Christopher J L Murray United States 583k citations
  3. 3 Rebecca L. Siegel United States 582k citations
  4. 4 Freddie Bray France 550k citations
  5. 5 Jacques Ferlay France 486k citations
  6. 6 Simon Iain Hay United States 452k citations
  7. 7 Theo Vos United States 439k citations
  8. 8 George Davey Smith United Kingdom 435k citations
  9. 9 Ali H. Mokdad United States 429k citations
  10. 10 Walter Churchill Willett United States 411k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Multiple and Secondary Primary Cancers?

The most cited paper in Multiple and Secondary Primary Cancers is "Global Cancer Statistics 2020: GLOBOCAN Estimates of Incidence and Mortality Worldwide for 36 Cancers in 185 Countries" (Hyuna Sung, Adalberto M. Filho, Mathieu Laversanne et al., 2021), with 114,522 citations. Next come "Cancer incidence and mortality worldwide: Sources, methods and major patterns in GLOBOCAN 2012" (29,250) and "Global cancer statistics 2022: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries" (25,936).

Most cited papers
#PaperReleasedCitations
1 Global Cancer Statistics 2020: GLOBOCAN Estimates of Incidence and Mortality Worldwide for 36 Cancers in 185 Countries Hyuna Sung, Adalberto M. Filho, Mathieu Laversanne et al. · CA A Cancer Journal for Clinicians Open access 4 Feb 2021 114,522
2 Cancer incidence and mortality worldwide: Sources, methods and major patterns in GLOBOCAN 2012 Jacques Ferlay, Isabelle Soerjomataram, Rajesh Prabhakar Dikshit et al. · International Journal of Cancer Open access 13 Sep 2014 29,250
3 Global cancer statistics 2022: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries Freddie Bray, Mathieu Laversanne, Hyuna Sung et al. · CA A Cancer Journal for Clinicians Open access 4 Apr 2024 25,936
4 Estimates of worldwide burden of cancer in 2008: GLOBOCAN 2008 Jacques Ferlay, Hai‐Rim Shin, Freddie Bray et al. · International Journal of Cancer 17 Jun 2010 21,446
5 Cancer Statistics, 2010 Ahmedin Jemal, Rebecca L. Siegel, Jiaquan Xu et al. · CA A Cancer Journal for Clinicians Open access 7 Jul 2010 12,627
All 100 most cited papers, with filters and sorting

Where is Multiple and Secondary Primary Cancers research done?

The largest centres of Multiple and Secondary Primary Cancers research in 2022-now are Beijing (China), Tokyo (Japan), New York (United States) and Shanghai (China).

Largest cities, 2022-now

  1. 1 BeijingChina 129 works
  2. 2 TokyoJapan 93 works
  3. 3 New YorkUnited States 81 works
  4. 4 ShanghaiChina 64 works
  5. 5 SeoulSouth Korea 64 works
  6. 6 GuangzhouChina 56 works
  7. 7 BostonUnited States 52 works
  8. 8 ParisFrance 50 works
  9. 9 MoscowRussia 50 works
  10. 10 LondonUnited Kingdom 49 works
See Multiple and Secondary Primary Cancers on the map

Where is the best place to study Multiple and Secondary Primary Cancers?

Among universities, judged by research, Harvard University, Chinese Academy of Medical Sciences & Peking Union Medical College and University of Utah score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%30%mean 19.69%fractional works in this field (log) →share of work in the world top 10% →Harvard UniversityUniversity of UtahChinese Academy of M…Fujian Medical Unive…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Harvard UniversityUnited States 82.925.4%3.8×50 -7.7%
2Chinese Academy of Medical Sciences & Peking Union Medical CollegeChina 72.623.1%8.5×37 +38.4%
3University of UtahUnited States 61.524.4%4.8×14 +13.9%
4Fujian Medical UniversityChina 61.121.5%8.8×20 +70.2%
5Karolinska InstitutetSweden 60.913.1%5.8×14 +28.9%
6The Ohio State UniversityUnited States 57.016.6%3.9×20 +54.4%
7Radboud University NijmegenNetherlands 57.025.0%3.2×8 -5.1%
8Yale UniversityUnited States 56.116.9%4.2×19 +15.8%
9Peking UniversityChina 55.716.2%3.6×31 +4.9%
10Johns Hopkins UniversityUnited States 55.614.7%2.4×15 +4.5%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Multiple and Secondary Primary Cancers, country by country

Is Multiple and Secondary Primary Cancers research growing?

Output in 2022-2025 was 5% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Multiple and Secondary Primary Cancers.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Multiple and Secondary Primary Cancers as a percentage of every work published that year, 0.018% in 2024.

still counting0.020%0.040%Multiple and Secondary Primary Cancers0.019% in 202519801990200020102020

Fractional works of Multiple and Secondary Primary Cancers over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Multiple and Secondary Primary Cancers10.2% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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