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Topic · Surgery

Colorectal and Anal Carcinomas

Colorectal and Anal Carcinomas is a research topic within Surgery. Science Explorer counts 26k research works in it since 1950. 10.2% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the treatment and management of anal cancer, including the use of chemoradiation, intensity-modulated radiation therapy, and chemotherapy. It also explores the impact of HIV infection on treatment outcomes, imaging techniques such as FDG-PET/CT, and the long-term quality of life for survivors. Additionally, it delves into salvage surgery for recurrent or persistent anal cancer.

  • Anal Cancer
  • Chemoradiation
  • Intensity-Modulated Radiation Therapy
  • Squamous-Cell Carcinoma
  • Chemotherapy
  • HIV-positive Patients
  • Metastatic Anal Cancer
  • FDG-PET/CT Imaging
  • Quality of Life
  • Salvage Surgery
Research works
26k
fractional, since 1950
In the world top 10%
2.6k
per year above
Top-10% rate
10.2%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+10%
the tick is no change
Largest producer
United States
29% of the 10 largest, 2022-now
Colorectal and Anal Carcinomas

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

Which countries lead Colorectal and Anal Carcinomas research?

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

By volume, 2022-now

  1. 1 United States 1.2k works
  2. 2 China 1.2k works
  3. 3 Japan 416 works
  4. 4 India 257 works
  5. 5 Italy 217 works
  6. 6 United Kingdom 199 works
  7. 7 Germany 198 works
  8. 8 Brazil 178 works
  9. 9 Spain 161 works
  10. 10 France 148 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: 28.8%China: 28.2%Japan: 10.1%India: 6.2%6 others listed: 26.7%29%largest
United States1,184 · 28.8%China1,160 · 28.2%Japan416 · 10.1%India257 · 6.2%6 others listed1,101 · 26.7%

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

Which institutions lead Colorectal and Anal Carcinomas research?

By volume in 2022-now, Sun Yat-sen University publishes the most Colorectal and Anal Carcinomas research, followed by Chinese Academy of Medical Sciences & Peking Union Medical College and Fujian Medical University.

By volume, 2022-now

  1. 1 Sun Yat-sen UniversityChina 73 works
  2. 2 Chinese Academy of Medical Sciences & Peking Union Medical CollegeChina 45 works
  3. 3 Fujian Medical UniversityChina 45 works
  4. 4 The University of Texas MD Anderson Cancer CenterUnited States 45 works
  5. 5 Sichuan UniversityChina 44 works
  6. 6 Harvard UniversityUnited States 43 works
  7. 7 Cleveland ClinicUnited States 39 works
  8. 8 Mayo ClinicUnited States 38 works
  9. 9 Peking UniversityChina 35 works
  10. 10 Memorial Sloan Kettering Cancer CenterUnited States 32 works

Who are the leading researchers in Colorectal and Anal Carcinomas?

The most-cited researchers publishing on Colorectal and Anal Carcinomas include Ahmedin Jemal, Freddie Bray and Jacques Ferlay.

  1. 1 Ahmedin Jemal United States 761k citations
  2. 2 Freddie Bray France 550k citations
  3. 3 Jacques Ferlay France 486k citations
  4. 4 Bert Vogelstein United States 373k citations
  5. 5 Hermann Brenner Germany 343k citations
  6. 6 Jun Wang China 340k citations
  7. 7 Matthias Egger Switzerland 326k citations
  8. 8 Sudhir Kumar United States 295k citations
  9. 9 Patrick M. Bossuyt Netherlands 270k 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 Colorectal and Anal Carcinomas?

The most cited paper in Colorectal and Anal Carcinomas is "Preoperative versus Postoperative Chemoradiotherapy for Rectal Cancer" (Rolf Sauer, Heinz Becker, Werner Hohenberger et al., 2004), with 6,117 citations. Next come "Signet-Ring Cell Carcinoma of the Colon: A Case Report and Review of the Literature" (5,277) and "Cetuximab Monotherapy and Cetuximab plus Irinotecan in Irinotecan-Refractory Metastatic Colorectal Cancer" (5,071).

Most cited papers
#PaperReleasedCitations
1 Preoperative versus Postoperative Chemoradiotherapy for Rectal Cancer Rolf Sauer, Heinz Becker, Werner Hohenberger et al. · New England Journal of Medicine 20 Oct 2004 6,117
2 Signet-Ring Cell Carcinoma of the Colon: A Case Report and Review of the Literature Peter Y. Park, Teresa A. Goldin, John C. S. Chang et al. · Case Reports in Oncology Open access 3 Nov 2015 5,277
3 Cetuximab Monotherapy and Cetuximab plus Irinotecan in Irinotecan-Refractory Metastatic Colorectal Cancer David Cunningham, Yves Humblet, Salvatore Siena et al. · New England Journal of Medicine Open access 21 Jul 2004 5,071
4 Preoperative Radiotherapy Combined with Total Mesorectal Excision for Resectable Rectal Cancer Ellen Kapiteijn, Corrie A.M. Marijnen, Irıs D. Nagtegaal et al. · New England Journal of Medicine Open access 30 Aug 2001 4,238
5 First-line nivolumab plus chemotherapy versus chemotherapy alone for advanced gastric, gastro-oesophageal junction, and oesophageal adenocarcinoma (CheckMate 649): a randomised, open-label, phase 3 trial Yelena Yuriy Janjigian et al. · The Lancet Open access 5 Jun 2021 3,110
All 100 most cited papers, with filters and sorting

Where is Colorectal and Anal Carcinomas research done?

The largest centres of Colorectal and Anal Carcinomas research in 2022-now are Beijing (China), Shanghai (China), Guangzhou (China) and Tokyo (Japan). Among places with at least 20 works in it, it is an unusually large share of all research in Cleveland.

Largest cities, 2022-now

  1. 1 BeijingChina 152 works
  2. 2 ShanghaiChina 106 works
  3. 3 GuangzhouChina 104 works
  4. 4 TokyoJapan 92 works
  5. 5 New YorkUnited States 84 works
  6. 6 ChengduChina 67 works
  7. 7 SeoulSouth Korea 65 works
  8. 8 HoustonUnited States 63 works
  9. 9 FuzhouChina 62 works
  10. 10 São PauloBrazil 59 works

Where it is the local speciality

  1. ClevelandUS · 53.4 works6.8×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Colorectal and Anal Carcinomas than the world average.

See Colorectal and Anal Carcinomas on the map

Where is the best place to study Colorectal and Anal Carcinomas?

Among universities, judged by research, Sun Yat-sen University, University College Dublin and Harvard University 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%20%40%mean 15.99%fractional works in this field (log) →share of work in the world top 10% →University College D…Hebei Medical Univer…Sun Yat-sen UniversityHarvard University
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
1Sun Yat-sen UniversityChina 61.615.7%7.2×73 -13.0%
2University College DublinIreland 59.029.0%3.6×9 +0.3%
3Harvard UniversityUnited States 57.815.4%2.7×43 -11.7%
4Hebei Medical UniversityChina 57.618.0%13.9×23 +229.6%
5Karolinska InstitutetSweden 56.520.6%3.2×9 +25.8%
6Fujian Medical UniversityChina 56.29.1%16.9×45 +58.1%
7Sichuan UniversityChina 55.811.1%4.0×44 +34.9%
8University of CopenhagenDenmark 54.815.2%3.2×15 +18.0%
9Radboud University NijmegenNetherlands 53.716.0%4.0×12 -8.8%
10Chinese Academy of Medical Sciences & Peking Union Medical CollegeChina 53.69.8%8.8×45 +3.8%

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 Colorectal and Anal Carcinomas, country by country

Is Colorectal and Anal Carcinomas research growing?

Output in 2022-2025 was 10% higher than in 2018-2021, peaking in 2024. The fastest-growing topics are Colorectal and Anal Carcinomas.

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 Colorectal and Anal Carcinomas as a percentage of every work published that year, 0.025% in 2024.

still counting0.010%0.020%0.030%Colorectal and Anal Carcinomas0.023% in 202519801990200020102020

Fractional works of Colorectal and Anal Carcinomas 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%Colorectal and Anal Carcinomas10.2% 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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