BreastScreen WA is taking its mobile screening clinic to Cottesloe. BreastScreen WA is taking its mobile screening clinic to Cottesloe. Credit: Daniel Hocking / RegionalHUBBreastScreen WA is offering free breast cancer checks in Cottesloe in August. “A free screening mammogram is one of the best things that women can do to look after their health. Breast cancer is the most common life threatening cancer for women, and one in seven women in Australia will develop breast cancer in their lifetime.