Vermaelen suffers injury setback
The former Arsenal centre-back has swelling in his left calf that will be evaluated on a daily basis, following an incident in training on Monday.
Thomas Vermaelen will be monitored on a day-to-day basis by Roma after tests revealed the on-loan defender has swelling in his left calf.
The former Arsenal centre-back, who is on loan from Barcelona, picked up the injury in Monday's training session.
Vermaelen has made just three Serie A starts for Roma in his time at the Stadio Olimpico.
The Belgian was sent off just 41 minutes into his Roma debut against Porto in August, following two bookable offences, the latter of which for catching Andre Silva with a high leg as the forward looked to burst through on goal in the Champions League play-off match.
Roma are four points behind leaders Juventus having played a game more and resume league action with a visit to Genoa on Sunday.