Importance of pathological laughing and/or crying as a sign of occurrence or recurrence of a tumor lying beneath the brainstem.
D001933:Brain Stem; D002817:Chordoma / Q000175:diagnosis* / Q000503:physiopathology; D005149:Facial Expression; D005260:Female; D006801:Humans; D007765:Lacrimal Apparatus / Q000503:physiopathology; D007845:Laughter; D008875:Middle Aged