External auditory canal metastasis leading to peripheral facial paralysis as first manifestation of de novo stage IV invasive lobular carcinoma of the breast: a rare case report oleh David Lluís Garulo, Maitane Alonso, Judith Rodríguez, Natalia Manent, Montse Gomà Gallego, Esther Guerra Fernández, Francesc Xavier Sanjuan Garriga, Paula Gubern Prieto, Anna Penella Prat, Sira Salinas Huertas, David Chivite Guillen, Sonia Pernas, Catalina Falo