Noun
/siɣno de ˈa.lien/
The term "signo de Alien" is not commonly used in the Spanish language. It is likely a specialized term used in the field of surgery related to a specific type of diagnostic sign or medical condition. As such, it would be more likely to be found in written medical documents or discussions rather than in everyday oral speech.
The surgeon detected the Alien sign during the preoperative examination.
La presencia del signo de Alien en la resonancia magnética fue un indicador claro de la patología.
There are no specific idiomatic expressions in Spanish that include the term "signo de Alien."
The term "signo de Alien" appears to be a specialized medical term that may have been coined based on specific characteristics or manifestations resembling something alien or foreign in nature.