English to French Medical Medical: Health Care

Diagnosing and treating space-occupying tumors of the brain presents special challenges due to the similarities of tumors to other pathologic entities on conventional imaging, the similarities of individual tumor cell types on conventional imaging, the inaccessibility of these lesions, and their proximity to complex brain structures.

je trouve 'processus occupant de l'espace', puis-je aller jusqu'à 'processus tumoraux occupant de l'espace dans le cerveau'? ou simplement 'tumeurs cérébrales occupant de l'espace'? merci !