Mom diagnosed with cancer while on parental leave denied EI sickness benefitsClaim rejected because she wouldn’t otherwise be working while on maternity and parental leave05/20/2010|employmentlawtoday.com|Last Updated: 05/20/2010 A new mother who was diagnosed with breast cancer while on parental leave has been denied extra EI sickness benefits.Natalya Rougas, 37, of Toronto, gave birth to her son in early 2009. She had planned to return to work on Jan. 25, 2010, at the conclusion of her year of maternity and parental leave. However, shortly before her scheduled return date, Rougas was diagnosed with breast cancer and began treatment. The treatment includes chemotherapy and she is scheduled to have a double mastectomy, which rules out going back to work any time soon. To Read the Full Story, Subscribe or Sign In Remember Me Forgot Password If you are a current Subscriber, please click here to set-up or update your login information.