Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Assessment of the Rectum and Anus

Assessment of the Rectum and Anus

Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...

Abdominal Regions and Quadrants

Abdominal Regions and Quadrants

To promote clear communication, for instance, about the location of a patient's abdominal pain or a suspicious mass, anatomists and clinicians typically use imaginary lines to categorize the abdominopelvic cavity into either four quadrants or nine regions to identify organs in the cavity.
The simpler quadrants approach, which is more commonly used in medicine, subdivides the cavity with one horizontal and one vertical line that intersects at the patient's umbilicus (navel). The four...

Disorders of the Male Reproductive System

Disorders of the Male Reproductive System

Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...

Assessing Body Temperature - Rectal

Assessing Body Temperature - Rectal

Rectal temperature measurement is considered the most precise method for assessing core body temperature and typically registers higher than oral temperature. For adults, the rectal thermometer should be inserted 1 to 1.5 inches into the rectum to obtain the most accurate reading.
Follow these steps for rectal temperature assessment:
Step 1: Perform hand hygiene and don clean gloves to prevent cross-infection.
Step 2: Position the patient in a side-lying position to better visualize the rectal...

Rous Sarcoma Virus (RSV) and Cancer

Rous Sarcoma Virus (RSV) and Cancer

Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Gastrointestinal malignancies in pregnancy: practical considerations.

Journal of gastrointestinal oncology·2026

Same author

Trends in primary surgery and overall survival in non-metastatic anal cancer: a population-based analysis.

The oncologist·2026

Same author

Integrating oncology advanced practice providers and clinical pharmacists into clinical cancer research.

Journal of the National Cancer Institute·2026

Same author

Trends in primary surgery and overall survival in non-metastatic anal cancer: a population-based analysis.

The oncologist·2026

Same author

Safety and Efficacy of amplitude-modulated radiofrequency electromagnetic fields in advanced hepatocellular carcinoma.

4Open·2026

Same author

NCI9673 (Part B): ETCTN Randomized Phase II Study of Nivolumab With or Without Ipilimumab in Refractory, Metastatic Squamous Cell Carcinoma of the Anal Canal.

Journal of clinical oncology : official journal of the American Society of Clinical Oncology·2026

Same journal

A Virtual Reality Psychosocial Intervention for Patients Undergoing Bone Marrow Transplantation (BMT-VR): Pilot Randomized Clinical Trial.

Journal of the National Comprehensive Cancer Network : JNCCN·2026

Same journal

Nationwide Trends in Colorectal Cancer Screening by the End of the COVID-19 Pandemic: Racial/Ethnic Differences and Opportunities.

Journal of the National Comprehensive Cancer Network : JNCCN·2026

Same journal

Evaluation of the Impact of Adjuvant Immunotherapy in Merkel Cell Carcinoma.

Journal of the National Comprehensive Cancer Network : JNCCN·2026

Same journal

Payers' Views on Insurance Coverage for Confirmatory Diagnostics After a Noncovered Multicancer Early Detection (MCED) Test.

Journal of the National Comprehensive Cancer Network : JNCCN·2026

Same journal

Surrogacy of Intermediate Clinical Endpoints for Overall Survival in Patients With Localized Muscle-Invasive Bladder Cancer.

Journal of the National Comprehensive Cancer Network : JNCCN·2026

Same journal

Melanoma: Cutaneous, Version 2.2026, NCCN Clinical Practice Guidelines In Oncology.

Journal of the National Comprehensive Cancer Network : JNCCN·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Apr 9, 2026

Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer

Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer

Published on: February 12, 2022

Rectal Cancer, Version 2.2015.

Al B Benson¹, Alan P Venook¹, Tanios Bekaii-Saab¹

¹Robert H. Lurie Comprehensive Cancer Center of Northwestern University; UCSF Helen Diller Family Comprehensive Cancer Center; The Ohio State University Comprehensive Cancer Center - James Cancer Hospital and Solove Research Institute; Vanderbilt-Ingram Cancer Center; City of Hope Comprehensive Cancer Center; Fox Chase Cancer Center; Dana-Farber/Brigham and Women's Cancer Center; St. Jude Children's Research Hospital/The University of Tennessee Health Science Center; Fred & Pamela Buffett Cancer Center; Mayo Clinic Cancer Center; Yale Cancer Center/Smilow Cancer Hospital; Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine; University of Alabama at Birmingham Comprehensive Cancer Center; Stanford Cancer Institute; Fred Hutchinson Cancer Research Center/Seattle Cancer Care Alliance; University of Colorado Cancer Center; UC San Diego Moores Cancer Center; Roswell Park Cancer Institute; The University of Texas MD Anderson Cancer Center; Massachusetts General Hospital Cancer Center; Memorial Sloan Kettering Cancer Center; Huntsman Cancer Institute at the University of Utah; Moffitt Cancer Center; University of Michigan Comprehensive Cancer Center; The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins; Duke Cancer Institute; and National Comprehensive Cancer Network.

Journal of the National Comprehensive Cancer Network : JNCCN

|June 19, 2015

Summary

This summary is machine-generated.

The National Comprehensive Cancer Network (NCCN) guidelines for rectal cancer cover diagnosis through survivorship. Key 2015 updates focused on perioperative therapy and surveillance for early-stage rectal cancer.

More Related Videos

The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors

The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors

Published on: February 13, 2026

Surgical Robot-Assisted Transanal Specimen Extraction Radical Sigmoidectomy Without an Auxiliary Abdominal Incision

Surgical Robot-Assisted Transanal Specimen Extraction Radical Sigmoidectomy Without an Auxiliary Abdominal Incision

Published on: June 13, 2025

Related Experiment Videos

Last Updated: Apr 9, 2026

Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer

Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer

Published on: February 12, 2022

The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors

The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors

Published on: February 13, 2026

Surgical Robot-Assisted Transanal Specimen Extraction Radical Sigmoidectomy Without an Auxiliary Abdominal Incision

Surgical Robot-Assisted Transanal Specimen Extraction Radical Sigmoidectomy Without an Auxiliary Abdominal Incision

Published on: June 13, 2025

Area of Science:

Oncology
Gastroenterology

Background:

The NCCN Guidelines for Rectal Cancer provide a comprehensive framework for patient care.
These guidelines are regularly updated based on new data and expert review.

Purpose of the Study:

To summarize key discussion points from the 2015 NCCN Rectal Cancer Panel meeting.
To highlight updates in perioperative therapy and surveillance strategies.

Main Methods:

The NCCN Rectal Cancer Panel convenes annually to review and update recommendations.
Discussions incorporate reviewer feedback and new scientific publications.

Main Results:

Major topics included perioperative therapy options for rectal cancer.
Surveillance strategies for patients with stage I through III rectal cancer were also discussed.

Conclusions:

The 2015 meeting focused on refining treatment and monitoring protocols for rectal cancer.
These updates aim to improve patient outcomes and survivorship.