Liverpool midfielder Arthur Melo it could be back in service by the end of December.
The 26-year-old Brazilian, who joined the English club on loan from Juventus, was injured in training at Liverpool in October and was out for 3-4 months.
However, according to the source, Arthur could be back in service by the end of December, as the latest tests have been positive.
Arthur only came on in one match for Liverpool and played 13 minutes.
