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Related Concept Videos

Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

345
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,...
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Tumor Progression02:07

Tumor Progression

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Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
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Related Experiment Video

Updated: Aug 20, 2025

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery
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Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery

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Primary Colorectal Cancer.

Alexander Dowli1, Alessandro Fichera1, James Fleshman1

  • 1Division of Colorectal Surgery, Department of Surgery, Baylor University Medical Center, Dallas, TX, USA.

Surgical Oncology Clinics of North America
|November 21, 2022
PubMed
Summary
This summary is machine-generated.

Minimally invasive colorectal surgery offers reduced patient morbidity and hospital stays. Recent evidence supports its use and a multidisciplinary approach for rectal cancer, improving survival and decreasing mortality.

Keywords:
ColectomyColon cancerMinimally invasive surgeryProctectomyRectal cancer

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Area of Science:

  • Colorectal Surgery
  • Surgical Oncology
  • Rectal Cancer Treatment

Background:

  • The field of colorectal surgery has evolved significantly, with minimally invasive techniques transforming patient care.
  • Minimally invasive procedures aim to reduce patient morbidity and length of hospital stay.
  • Rigorous studies have been conducted to ensure oncologic outcomes are not compromised by these techniques.

Purpose of the Study:

  • To review randomized controlled trials supporting minimally invasive colorectal surgery.
  • To present the latest evidence on the multidisciplinary approach to rectal cancer treatment.

Main Methods:

  • Review of relevant randomized controlled trials (RCTs) in minimally invasive colorectal surgery.
  • Analysis of current evidence for multimodal rectal cancer treatment.

Main Results:

  • Minimally invasive colorectal surgery is supported by robust evidence from RCTs.
  • The multimodal treatment of rectal cancer has demonstrated improved survival rates.
  • Advancements in rectal cancer care have led to decreased morbidity and mortality.

Conclusions:

  • Minimally invasive colorectal surgery is a safe and effective approach.
  • A multidisciplinary strategy is crucial for optimizing outcomes in rectal cancer management.