Ibn Sina's book Al-Qanun fi al-Tibb (The Canon of Medicine) consists of how many volumes?

Ibn Sina's book Al-Qanun fi al-Tibb (The Canon of Medicine) consists of how many volumes?

بو علی سینا کی کتاب القانون فی الحب کتنی جلدوں پر مشتمل ہے؟
Explanation

Al-Qanun fi al-Tibb by Ibn Sina (Avicenna) is a five-volume medical encyclopedia.

It remained a standard reference in medicine for centuries in both the Muslim world and Europe.