Signs Of Rectal Cancer
- Colon and Rectal Cancers - Diagnosis
- Highlights
- Introduction
- Causes
- Risk Factors and Prevention
- Symptoms
- Diagnosis and Screening
Surgery
In the earliest stages of colorectal cancer (stage 0 and some stage I cases) polyps can be removed during a colonoscopy in a procedure called polypectomy. Early-stage superficial cancers that are not deep can also be removed through excision, where the cancer is cut out by inserting a tube into the rectum. Unlike colectomy, these procedures do not involve cutting through the abdominal wall.
Surgical removal of the tumor ("resection") along with any affected surrounding tissue is the...
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From Our Sources
Colon and Rectal Cancers: Medications
Source: ADAM Encyclopedia
ReferencesBotteri E, Iodice S, Bagnardi V, Raimondi S, Lowenfels AB, Maisonneuve P. Smoking and colorectal cancer: a meta-analysis. JAMA. 2008 Dec... Read more »
Digital rectal exam
Source: ADAM Encyclopedia
A digital rectal exam is an examination of the lower rectum. The doctor uses a gloved, lubricated finger to check for abnormalities.Alternative... Read more »
Colon and Rectal Cancers: Treatment for Metastasized Colorecta...
Source: ADAM Encyclopedia
for Metastasized Colorectal CancerThe liver is the most frequent site for colorectal cancers to spread (metastasized). Here, treatments may slow the... Read more »
Rectal culture
Source: ADAM Encyclopedia
Rectal culture is a laboratory test to identify organisms in the rectum that can cause gastrointestinal symptoms and disease.Alternative NamesCulture... Read more »
Rectal prolapse
Source: ADAM Encyclopedia
Rectal prolapse occurs when the tissue that lines the rectum falls down into or sticks through the anal opening. Causes, incidence, and risk... Read more »
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