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An expert panel appointed by the American Society of Clinical Oncology has issued a new guideline for the treatment and follow-up of patients with early-stage colorectal cancer.
The multidisciplinary, multinational panel identified and reviewed previous guidelines from 12 different developers to create the new ASCO guideline; of these, recommendations from six guidelines were adapted into the evidence base. All recommendations have a consensus rate of at least 75%.
For patients with basic, nonobstructing stage I-IIA colon cancer, open resection is recommended; those with enhanced disease should receive laparoscopic or minimally invasive surgery. For nonobstructing stage IIB-IIC colon cancer, recommended treatment for basic disease is open resection; emergency surgical resection is recommended in enhanced disease.
Treatment for basic, obstructing IIB-IIC disease is resection and/or diversion and is emergency surgical resection in enhanced disease. In left-sided, stage IIB-IIC disease, colonic stent placement is recommended. In high-risk, obstructing stage II disease or in T4N0/T3N0 disease with high-risk features, adjuvant chemotherapy is recommended.
In cT1N0 and cT2n0 rectal cancer, total mesorectal excision is recommended; for cT3n0, total mesorectal excision is recommended in basic and limited cases, with diversion recommended in other cases. For resectable cT3N0 rectal cancer, patients should receive base neoadjuvant chemotherapy.
For follow-up, patients should receive a combination of medical history, physical examination, carcinoembryonic antigen testing, imaging, and endoscopy, with the frequency depending on patient setting.
More information, including a data supplement with additional evidence tables, a methodology supplement with information about evidence quality and strength of recommendations, slide sets, and clinical tools and resources is available at www.asco.org/resource-stratified-guidelines, according to the guideline.
Several members of the expert panel reported conflicts of interest.
SOURCE: Costas-Chavarri A et al. J Glob Oncol. 2019 Feb 25. doi: 10.1200/JGO.18.00214.
An expert panel appointed by the American Society of Clinical Oncology has issued a new guideline for the treatment and follow-up of patients with early-stage colorectal cancer.
The multidisciplinary, multinational panel identified and reviewed previous guidelines from 12 different developers to create the new ASCO guideline; of these, recommendations from six guidelines were adapted into the evidence base. All recommendations have a consensus rate of at least 75%.
For patients with basic, nonobstructing stage I-IIA colon cancer, open resection is recommended; those with enhanced disease should receive laparoscopic or minimally invasive surgery. For nonobstructing stage IIB-IIC colon cancer, recommended treatment for basic disease is open resection; emergency surgical resection is recommended in enhanced disease.
Treatment for basic, obstructing IIB-IIC disease is resection and/or diversion and is emergency surgical resection in enhanced disease. In left-sided, stage IIB-IIC disease, colonic stent placement is recommended. In high-risk, obstructing stage II disease or in T4N0/T3N0 disease with high-risk features, adjuvant chemotherapy is recommended.
In cT1N0 and cT2n0 rectal cancer, total mesorectal excision is recommended; for cT3n0, total mesorectal excision is recommended in basic and limited cases, with diversion recommended in other cases. For resectable cT3N0 rectal cancer, patients should receive base neoadjuvant chemotherapy.
For follow-up, patients should receive a combination of medical history, physical examination, carcinoembryonic antigen testing, imaging, and endoscopy, with the frequency depending on patient setting.
More information, including a data supplement with additional evidence tables, a methodology supplement with information about evidence quality and strength of recommendations, slide sets, and clinical tools and resources is available at www.asco.org/resource-stratified-guidelines, according to the guideline.
Several members of the expert panel reported conflicts of interest.
SOURCE: Costas-Chavarri A et al. J Glob Oncol. 2019 Feb 25. doi: 10.1200/JGO.18.00214.
An expert panel appointed by the American Society of Clinical Oncology has issued a new guideline for the treatment and follow-up of patients with early-stage colorectal cancer.
The multidisciplinary, multinational panel identified and reviewed previous guidelines from 12 different developers to create the new ASCO guideline; of these, recommendations from six guidelines were adapted into the evidence base. All recommendations have a consensus rate of at least 75%.
For patients with basic, nonobstructing stage I-IIA colon cancer, open resection is recommended; those with enhanced disease should receive laparoscopic or minimally invasive surgery. For nonobstructing stage IIB-IIC colon cancer, recommended treatment for basic disease is open resection; emergency surgical resection is recommended in enhanced disease.
Treatment for basic, obstructing IIB-IIC disease is resection and/or diversion and is emergency surgical resection in enhanced disease. In left-sided, stage IIB-IIC disease, colonic stent placement is recommended. In high-risk, obstructing stage II disease or in T4N0/T3N0 disease with high-risk features, adjuvant chemotherapy is recommended.
In cT1N0 and cT2n0 rectal cancer, total mesorectal excision is recommended; for cT3n0, total mesorectal excision is recommended in basic and limited cases, with diversion recommended in other cases. For resectable cT3N0 rectal cancer, patients should receive base neoadjuvant chemotherapy.
For follow-up, patients should receive a combination of medical history, physical examination, carcinoembryonic antigen testing, imaging, and endoscopy, with the frequency depending on patient setting.
More information, including a data supplement with additional evidence tables, a methodology supplement with information about evidence quality and strength of recommendations, slide sets, and clinical tools and resources is available at www.asco.org/resource-stratified-guidelines, according to the guideline.
Several members of the expert panel reported conflicts of interest.
SOURCE: Costas-Chavarri A et al. J Glob Oncol. 2019 Feb 25. doi: 10.1200/JGO.18.00214.
FROM THE JOURNAL OF GLOBAL ONCOLOGY