article_metadata: James Johnston Michael George Petros D Karkos Rhagav C Dwivedi Samuel C Leong
article_metadata: 10.3332/ecancer.2013.298
article_metadata: Ecancermedicalscience
article_metadata: 2013 Mar 21;7:298.
article_metadata: breast cancer ethmoid metastasis paranasal sinuses sphenoid
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/23589727/
article_metadata: Case Reports
article_metadata: PMC3622408
article_metadata: 23589727
article_metadata: Late metastasis to macroscopically normal paranasal sinuses from breast cancer
article_metadata: 2013