What is LAR procedure used in?

What is LAR procedure used in?

• A. Gallbladder disease
• B. Colon cancer to remove tumor in the middle or upper third of the rectum or lower sigmoid colon
• C. Liver transplant
• D. Kidney stones

Answer: (B)

Low anterior resection is used for treating cancers in the rectum where the tumor sits in the middle to upper part of the rectum (and can involve the lower part of the sigmoid colon). The goal is to remove the cancerous segment with clear margins and reconnect the remaining ends of the bowel, preserving the anal sphincter and normal bowel continuity when possible. This approach aims to avoid a permanent ostomy, though a temporary diverting stoma may be added if the connection is at higher risk for leakage. It’s not used for conditions involving the gallbladder, liver, or kidneys, which are treated with different procedures.

Low anterior resection is used for treating cancers in the rectum where the tumor sits in the middle to upper part of the rectum (and can involve the lower part of the sigmoid colon). The goal is to remove the cancerous segment with clear margins and reconnect the remaining ends of the bowel, preserving the anal sphincter and normal bowel continuity when possible. This approach aims to avoid a permanent ostomy, though a temporary diverting stoma may be added if the connection is at higher risk for leakage. It’s not used for conditions involving the gallbladder, liver, or kidneys, which are treated with different procedures.