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Colorectal cancer.

Ernst J Kuipers1, William M Grady2,3, David Lieberman4

  • 1Erasmus MC University Medical Center, s-Gravendijkwal 230, 3015 CE Rotterdam, The Netherlands.

Nature Reviews. Disease Primers
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Summary
This summary is machine-generated.

Colorectal cancer incidence is rising due to aging populations and lifestyle factors. Despite new treatments, screening remains crucial for early detection and improved survival rates for this predominant cancer.

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Area of Science:

  • Oncology
  • Epidemiology
  • Public Health

Background:

  • Colorectal cancer (CRC) incidence has significantly increased in Western countries, now causing ~10% of cancer mortality.
  • Factors contributing to CRC rise include aging populations, modern diets, smoking, inactivity, and obesity.
  • Despite advancements in surgical, radiotherapeutic, and chemotherapeutic treatments for primary and metastatic CRC, significant improvements in cure rates and long-term survival remain limited.

Purpose of the Study:

  • To provide a comprehensive overview of the current knowledge on colorectal cancer.
  • To cover the epidemiology, mechanisms, diagnosis, and treatment of colorectal cancer.
  • To highlight the importance of screening programs in the context of CRC's precursor nature.

Main Methods:

  • Review of current literature on colorectal cancer epidemiology and risk factors.
  • Analysis of emerging diagnostic and treatment modalities for colorectal cancer.
  • Synthesis of information regarding the progression from polypoid precursors to invasive colorectal cancer.

Main Results:

  • Colorectal cancer is a leading cause of cancer mortality, with rising incidence linked to lifestyle and demographic shifts.
  • New treatments offer options but have not substantially improved long-term survival or cure rates.
  • The polypoid precursor nature of colorectal cancer underscores the critical role of screening programs.

Conclusions:

  • Colorectal cancer poses a significant public health challenge due to increasing incidence and limited impact of current treatments on survival.
  • Screening programs are gaining momentum as a vital strategy for early detection and management of colorectal cancer.
  • Further research into CRC mechanisms and improved therapeutic strategies alongside robust screening are essential.