Gastroenterology

Radiation Oncology   

Questions discussed in this category



Does histology (radioresistant or radiosensitive) play into this decision?

From NCCN (Rectal MS-33): SBRT is a reasonable option for patients who cannot be resected or ablated. What is the role of SBRT versus microwave ablat...

Will the results of the recently published randomized comparison of proton beam therapy (PBT) vs. transarterial chemoembolization (TACE) change the wa...

Is radiation effective in this case and if so, what dose would you use? Is there potential for perforation?

If the patient is outpatient and coming into clinic each day, at what point would you initiate a C. diff workup?

Are there any medications that you can prescribe? Diet changes? Does this typically resolve on its own after time?

Is there a specific brand or formulation you prefer? The literature supporting the use of probiotics does not standardize the type or dose of probiot...

Would you reduce dose, e.g. from 30 Gy in 10 fractions to 20 Gy in 5 fractions, or hyperfractionate, e.g. 1.5 Gy bid to 20-30 Gy?

In light of the SIRveNIB trial results and now IMbrave150, what is the role of intra-arterial therapy now?

In a patient with a large primary and a negative PET/CT for nodal disease, would you push for EUS for radiation planning? Or would this be an unnecess...

Do you recommend TACE, RFA, radioembolization, systemic therapy or SBRT?  What if the size is >5 cm?

Would your recommendations change if you were treating a GI primary (e.g. rectal or anal cancer) vs non-GI primary? 

Is there a "best" way to approach treatment of the viral infection i.e concurrently with therapy, prior to therapy, delayed or post therapy? Does this...

Do you have any preferred dose fractionation schedules? What kind of margins do you use?


Papers discussed in this category


Practical radiation oncology, 2015

Radiother Oncol, 2014 Jun

J Clin Oncol, 2013 May 1

Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 2016-02-10

Practical radiation oncology, 2015

Journal of the National Cancer Institute, 2017-09-01

J Gastrointest Cancer,

BMC Palliat Care, 2015 Aug 04

J. Hepatol., 2019 Apr 06

N Engl J Med, 2020 May 14

Liver Cancer, 2019 Sep 18

Oncotarget,

Am J Clin Nutr, 2017 Jul 05

Proc (Bayl Univ Med Cent), 2020 Jan 30

Clinics (Sao Paulo, Brazil), 2018 Dec 10

Metabolites, 2020 Jul 11

Protein & cell, 2014 Jul 12

Trends in biochemical sciences, 2016 Jan 05

Int J Radiat Oncol Biol Phys, 2019 Oct 1

Frontiers in oncology, 2020 Mar 24

International journal of radiation oncology, biology, physics, 2023 Apr 08

Cancer, 2023 Jul 28

Cancer, 2023 Jul 06

The Lancet. Oncology, 2023 Dec 08

Cardiovascular and interventional radiology, 2023 Jul 10

Gastrointestinal endoscopy, 2011-06

Gastrointestinal endoscopy, 2023 Nov 10

Anticancer research, 2021 Apr