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Colorectal Cancer

 Syn. Cancer of Large Bowel , Cancer of Large Intestine , Carcinoma of Large Bowel

Signs & Symptoms

 Occurred in rectum
Ref: Uptodate [ Clinical manifestations, diagnosis, and staging of colorectal cancer]
Occurred in left colon
Ref: Uptodate [ Clinical manifestations, diagnosis, and staging of colorectal cancer]
Increased frequency of defecation
Ref: Epocrates [ https://online.epocrates.com/diseases/25833/Colorectal-cancer/History-Examcomm]
Abdominal pain #Advanced
Ref: Uptodate [ Clinical manifestations, diagnosis, and staging of colorectal cancer] Cecil [ 601]

Physical Examination

 Angina pectoris #Ascending_colon
Ref: Harrison [ 575]
Rectal mass
Note: rectal cancer
Ref: Epocrates [ https://online.epocrates.com/diseases/25833/Colorectal-cancer/History-Exam]
Abdominal mass
Ref: Uptodate [ Clinical manifestations, diagnosis, and staging of colorectal cancer] Epocrates [ https://online.epocrates.com/diseases/25833/Colorectal-cancer/History-Exam]

Lab / Serology

 Occult blood in stool
Ref: Harrison [ 574]
Dark red rectal bleeding
Ref: Uptodate [ Clinical manifestations, diagnosis, and staging of colorectal cancer]
Elevated carbohydrate antigen 19-9
Ref: Uptodate [ Clinical manifestations, diagnosis, and staging of colorectal cancer]

Imagin Study

 Ascites #Advanced
Ref: Cecil [ 601]
Perforation #Descending_colon #Advanced
Ref: Harrison [ 575] Cecil [ 601]
Radiograph reveal characteristic annular, constricting lesions, apple-core, napkin-ring #Descending_colon
Ref: Harrison [ 575]

Complication

Risk Factors

 Elder
Ref: Epocrates [ https://online.epocrates.com/diseases/25823/Colorectal-cancer/Epidemiology]
Family history of Colorectal cancer
Ref: Epocrates [ https://online.epocrates.com/diseases/25824/Colorectal-cancer/Etiology]
Obesity
Ref: Epocrates [ https://online.epocrates.com/diseases/25832/Colorectal-cancer/Risk-Factors]

Cause

Other