The failure to disclose information, especially medical information, is the most common reason why an insurer will reject a claim on a life or critical illness policy. To help underline some issues, we want to tell you a true story - but we've concealed the policyholders' name and a few other aspects to preserve anonymity.

Mrs A was fighting a secondary infection following surgery to remove cancerous lymph nodes in her groin when she received further bad news. Her critical illness insurer was refusing to pay out the