Christopher L. Hallemeier

5.8k total citations · 3 hit papers
143 papers, 3.5k citations indexed

About

Christopher L. Hallemeier is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Oncology. According to data from OpenAlex, Christopher L. Hallemeier has authored 143 papers receiving a total of 3.5k indexed citations (citations by other indexed papers that have themselves been cited), including 90 papers in Surgery, 70 papers in Pulmonary and Respiratory Medicine and 55 papers in Oncology. Recurrent topics in Christopher L. Hallemeier's work include Colorectal and Anal Carcinomas (29 papers), Esophageal Cancer Research and Treatment (27 papers) and Advanced Radiotherapy Techniques (21 papers). Christopher L. Hallemeier is often cited by papers focused on Colorectal and Anal Carcinomas (29 papers), Esophageal Cancer Research and Treatment (27 papers) and Advanced Radiotherapy Techniques (21 papers). Christopher L. Hallemeier collaborates with scholars based in United States, Canada and China. Christopher L. Hallemeier's co-authors include Gregory J. Gores, Sumera I. Ilyas, Robin Kate Kelley, Shahid A. Khan, Michael G. Haddock, Kenneth W. Merrell, William S. Harmsen, Steven H. Lin, Amit Mahipal and Keith M. Rich and has published in prestigious journals such as The Lancet, Journal of Clinical Oncology and SHILAP Revista de lepidopterología.

In The Last Decade

Christopher L. Hallemeier

133 papers receiving 3.5k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Cholangiocarcinoma — evolving concepts and therapeutic strategies

2017 1.1k citations Christopher L. Hallemeier et al. profile →
Factors Predicting Response, Perioperative Outcomes, and Survival Following Total Neoadjuvant Therapy for Borderline/Locally Advanced Pancreatic Cancer

2019 284 citations Mark J. Truty, Christopher L. Hallemeier et al. profile →
Oesophageal cancer

2024 48 citations Christopher L. Hallemeier et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Christopher L. Hallemeier United States	25	2.0k	1.5k	1.4k	565	418	143	3.5k
Do Hoon Lim South Korea	34	1.7k 0.8×	2.8k 1.8×	1.5k 1.0×	465 0.8×	376 0.9×	206	5.1k
Weining Zhen United States	22	892 0.5×	932 0.6×	562 0.4×	303 0.5×	320 0.8×	67	2.7k
Alfredo Mussi Italy	37	740 0.4×	2.0k 1.3×	845 0.6×	384 0.7×	652 1.6×	118	3.8k
Priya Bhosale United States	37	1.9k 1.0×	1.5k 1.0×	2.5k 1.8×	663 1.2×	346 0.8×	281	5.3k
Stephen R. Smalley United States	24	2.5k 1.3×	3.9k 2.6×	1.7k 1.2×	324 0.6×	300 0.7×	52	5.4k
Dattatreyudu Nori United States	31	891 0.4×	1.7k 1.1×	921 0.7×	352 0.6×	186 0.4×	176	3.1k
Abdelkarim S. Allal Switzerland	34	2.7k 1.4×	1.3k 0.9×	1.5k 1.1×	148 0.3×	185 0.4×	116	4.3k
Revathy B. Iyer United States	35	1.5k 0.8×	768 0.5×	765 0.5×	394 0.7×	379 0.9×	108	4.0k
Sarah E. Hoffe United States	34	1.9k 1.0×	2.2k 1.4×	2.1k 1.5×	606 1.1×	235 0.6×	268	4.2k
F. Huguet France	28	1.6k 0.8×	1.7k 1.1×	2.8k 2.0×	1.0k 1.8×	302 0.7×	168	4.3k

Countries citing papers authored by Christopher L. Hallemeier

Since Specialization

Citations

This map shows the geographic impact of Christopher L. Hallemeier'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 Christopher L. Hallemeier with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Christopher L. Hallemeier more than expected).

Fields of papers citing papers by Christopher L. Hallemeier

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Christopher L. Hallemeier. 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 Christopher L. Hallemeier. The network helps show where Christopher L. Hallemeier may publish in the future.

Co-authorship network of co-authors of Christopher L. Hallemeier

This figure shows the co-authorship network connecting the top 25 collaborators of Christopher L. Hallemeier. A scholar is included among the top collaborators of Christopher L. Hallemeier based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Christopher L. Hallemeier. Christopher L. Hallemeier is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Ashman, Jonathan B., R.S. Bhangoo, Kenneth W. Merrell, et al.. (2025). Stereotactic ablative radiotherapy for hepatocellular carcinoma with pencil beam scanning proton therapy: Initial results from a prospective phase II trial. International Journal of Particle Therapy. 15. 100674–100674. 1 indexed citations

Williams, Vonetta M., Christopher L. Hallemeier, Krishan R. Jethwa, et al.. (2025). Executive Summary of the American Radium Society Appropriate Use Criteria for Management of Squamous Cell Carcinoma of the Cervical Esophagus. American Journal of Clinical Oncology. 48(4). 163–179.

Ma, Jiasen, Nicholas B. Remmes, Jake A. Kloeber, et al.. (2025). Linear energy transfer optimized proton therapy for rectal cancer. Radiotherapy and Oncology. 207. 110850–110850. 1 indexed citations

Feng, Mary, Christopher L. Hallemeier, Olivia Aranha, et al.. (2025). Radiation Therapy for Anal Squamous Cell Carcinoma: An ASTRO Clinical Practice Guideline. Practical Radiation Oncology. 15(4). 367–386. 2 indexed citations

Selfridge, J. Eva, Christopher L. Hallemeier, Krishan R. Jethwa, et al.. (2024). Circulating Tumor DNA Predicts Early Recurrence Following Locoregional Therapy for Oligometastatic Colorectal Cancer. Cancers. 16(13). 2407–2407. 1 indexed citations

Anker, Christopher J., Leila T. Tchelebi, J. Eva Selfridge, et al.. (2024). Executive Summary of the American Radium Society on Appropriate Use Criteria for Nonoperative Management of Rectal Adenocarcinoma: Systematic Review and Guidelines. International Journal of Radiation Oncology*Biology*Physics. 120(4). 946–977.

Jethwa, Krishan R., Edward Kim, Jordan Berlin, et al.. (2023). Executive Summary of the American Radium Society Appropriate Use Criteria for Neoadjuvant Therapy for Nonmetastatic Pancreatic Adenocarcinoma. American Journal of Clinical Oncology. 47(4). 185–199. 1 indexed citations

Hallemeier, Christopher L., Navesh Sharma, Christopher J. Anker, et al.. (2023). American Radium Society Appropriate Use Criteria for the use of liver‐directed therapies for nonsurgical management of liver metastases: Systematic review and guidelines. Cancer. 129(20). 3193–3212. 5 indexed citations

Jeans, Elizabeth B., Daniel K. Ebner, Hirotoshi Takiyama, et al.. (2023). Comparing Oncologic Outcomes and Toxicity for Combined Modality Therapy vs. Carbon-Ion Radiotherapy for Previously Irradiated Locally Recurrent Rectal Cancer. Cancers. 15(11). 3057–3057. 6 indexed citations

10.

Phillips, Ryan, et al.. (2023). Well-Being Within a Radiation Oncology Department: A Single Institution’s Experience in Creating a Culture of Well-Being. 12(4). 13–19.

11.

Hallemeier, Christopher L., et al.. (2023). Radiation of bilateral adrenal metastases is associated with a high risk of primary adrenal insufficiency. Clinical Endocrinology. 99(1). 35–42. 2 indexed citations

12.

Dodoo, Christopher, Þorvarður R. Hálfdánarson, Kenneth W. Merrell, et al.. (2023). Single Institutional Experience Using Radiation Therapy in the Treatment of Neuroendocrine Tumor Primary and Metastatic Lesions. International Journal of Radiation Oncology*Biology*Physics. 117(2). e334–e334. 1 indexed citations

13.

Navin, Patrick J., Michael C. Olson, Mishal Mendiratta‐Lala, et al.. (2022). Imaging Features in the Liver after Stereotactic Body Radiation Therapy. Radiographics. 42(7). 2131–2148. 16 indexed citations

14.

Jethwa, Krishan R., Shane S. Neibart, Mark J. Truty, Salma K. Jabbour, & Christopher L. Hallemeier. (2022). Patterns of Recurrence After Primary Local Therapy for Pancreatic Ductal Adenocarcinoma – A Critical Review of Rationale and Target Delineation for (Neo)Adjuvant Radiation Therapy. Practical Radiation Oncology. 12(6). e463–e473. 9 indexed citations

15.

Jethwa, Krishan R., Zhaohui Jin, & Christopher L. Hallemeier. (2022). A Critical Review of the Role of Local Therapy for Oligometastatic Gastrointestinal Cancer. International Journal of Radiation Oncology*Biology*Physics. 114(4). 780–791. 1 indexed citations

16.

Evans, Suzanne B., S. Parker, Deborah Schofield, et al.. (2020). A multi-institutional assessment of COVID-19-related risk in radiation oncology. Radiotherapy and Oncology. 153. 296–302. 17 indexed citations

17.

Jethwa, Krishan R., Michael G. Haddock, E. Tryggestad, & Christopher L. Hallemeier. (2020). The emerging role of proton therapy for esophagus cancer. Journal of Gastrointestinal Oncology. 11(1). 144–156. 13 indexed citations

18.

Arnett, Andrea, Kenneth W. Merrell, Ethel MacIntosh, et al.. (2016). Utility of [18f]FDG Positron Emission Tomography for Predicting Histopathologic Response in Esophageal Carcinoma Following Chemoradiation. International Journal of Radiation Oncology*Biology*Physics. 96(2). E139–E139. 1 indexed citations

19.

Hallemeier, Christopher L., Manish Kohli, Vishal S. Chandan, Robert C. Miller, & Richard Choo. (2010). Multiple urinary bladder masses from metastatic prostate adenocarcinoma. Rare Tumors. 2(4). 65–65. 4 indexed citations

20.

Goyal, Manu S., Christopher L. Hallemeier, Gregory J. Zipfel, et al.. (2010). Clinical Features and Outcome in North American Adults With Idiopathic Basal Arterial Occlusive Disease Without Moyamoya Collaterals. Neurosurgery. 67(2). 278–285. 15 indexed citations

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.

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