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LARS Score Calculator

Assessment of low anterior resection syndrome

LARS (Low Anterior Resection Syndrome) is a set of bowel symptoms that can occur after low anterior resection for rectal cancer. This scientifically validated questionnaire helps you assess the severity of your symptoms.

Answer all 5 questions. The score is calculated automatically after the last selection.

0 of 5 questions answered
1 Do you have episodes when you cannot control intestinal gas (flatus)?
2 Do you have accidental leakage of liquid stool?
3 How often do you go to the toilet to pass stool?
4 Do you have to go to the toilet again within one hour of the last time?
5 Do you have such urgency that you have to rush to the toilet?

Are you before surgery?

The POLARS calculator can estimate your post-operative LARS risk based on preoperative data.

POLARS Calculator →

Scientific reference

Emmertsen KJ, Laurberg S. Low anterior resection syndrome score: development and validation of a symptom-based scoring system for bowel dysfunction after low anterior resection for rectal cancer. Ann Surg. 2012;255(5):922-928. PubMed