Dennis J. Ahnen

15.4k citations
93 papers · 9.3k indexed · 2 hit papers · h-index 41
  • Oncology top 0.2%
    • Colorectal Cancer Screening and Detection 63
    • Global Cancer Incidence and Screening 8
    • Colorectal Cancer Surgical Treatments 7
    • Colorectal Cancer Treatments and Studies 7
    • Genetic factors in colorectal cancer 42
    • Gastric Cancer Management and Outcomes 44
  • Surgery top 1%
    • Helicobacter pylori-related gastroenterology studies 5
    • Diverticular Disease and Complications 5

Dennis J. Ahnen

89 papers receiving 9.1k citations

Hit Papers

Colorectal cancer statistics, 20173.1k201220262016202110002.0k3.0k

Peers

Dennis J. Ahnen
Comparison fields: 5 of 164
  • Oncology 5.9k
  • Pathology and Forensic Medicine 2.6k
  • Pulmonary and Respiratory Medicine 3.3k
  • Cancer Research 1.2k
  • Surgery 1.8k
Replace Robert E. Schoen with:
Robert E. Schoen United States
Paul J. Limburg United States
Alicia Samuels United States
Bernard Levin United States
Reiko Nishihara United States
Charles Erlichman United States
Lance K. Heilbrun United States
Joseph C. Anderson United States
Philip A. Philip United States
Sjoerd Rodenhuis Netherlands
Dennis J. Ahnen relative to Robert E. Schoen United States Robert E. Schoen's profile →
Citations per field
00.5×1.5×2.0×
Robert E. Schoen · 1×
Citations per year

Countries citing papers authored by Dennis J. Ahnen

Since Specialization
Citations

This map shows the geographic impact of Dennis J. Ahnen's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Dennis J. Ahnen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Dennis J. Ahnen more than expected).

Fields of papers citing papers by Dennis J. Ahnen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Dennis J. Ahnen. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Dennis J. Ahnen. The network helps show where Dennis J. Ahnen may publish in the future.

Co-authorship network

The 25 scholars most cited alongside Dennis J. Ahnen, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Dennis J. Ahnen Line = papers co-authored together Dennis J. Ahnen links everyone, so they are left out of the graph.

All Works

20 of 20 papers shown
#Work
1 20208
2 201752
3 2016149
4 201564
5 201544
6 201570
7 201546
8 201443
9 201352
10 201340
11
Serrated Lesions of the Colorectum: Review and Recommendations From an Expert Panelbreakdown →
2012778
12 201110
13 200968
14 2008413
15 2005340
16 200569
17 200353
18 200224
19 199249
20 198913

About Dennis J. Ahnen

Dennis J. Ahnen is a scholar working on Oncology, Pathology and Forensic Medicine and Pulmonary and Respiratory Medicine, having authored 93 papers that have together received 9.3k indexed citations. Recurring topics across this work include Colorectal Cancer Screening and Detection (63 papers), Gastric Cancer Management and Outcomes (44 papers), Genetic factors in colorectal cancer (42 papers), Global Cancer Incidence and Screening (8 papers), Colorectal Cancer Surgical Treatments (7 papers), Colorectal Cancer Treatments and Studies (7 papers), Helicobacter pylori-related gastroenterology studies (5 papers) and Diverticular Disease and Complications (5 papers). The work is most often cited by research in Oncology (5.9k citations), Pathology and Forensic Medicine (2.6k citations) and Pulmonary and Respiratory Medicine (3.3k citations). Dennis J. Ahnen has collaborated with scholars based in United States, Canada and United Kingdom. Frequent co-authors include Rebecca L. Siegel, Reinier G.S. Meester, Afsaneh Barzi, Stacey A. Fedewa, Kimberly D. Miller, Ahmedin Jemal, John A. Baron, Douglas J. Robertson, Dale C. Snover and E. Robert Greenberg.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact

Rankless by CCL
2026