Invasive Lobular Carcinoma Intraductal Xenograft Tissue Section Stained for Fibrillar Collagen. (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption Invasive Lobular Carcinoma Intraductal Xenograft Tissue Section Stained for Fibrillar Collagen. Credit George Sflomos (EPFL) Usage Restrictions Media purposes only. Commercial usage restricted; by permission only. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.