Phantom limb pain is a phenomenon that is not very clearly understood and is described as “pain that occurs in the region of the removed body part”. The exact aetiology is not understood but a few theories have been proposed that include peripheral, central and spinal theory. More about these theories can be read by going on the provided reference. Text Reference: https://www.physio-pedia.com/Phantom_Limb_Pain Image Source: https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(16)32416-3/fulltext