Original sentence: Early church lists place him as the second or third or as possibly the immediate successor of Saint Peter as bishop of Rome, but the meaning of this evidence is unclear, as "there is no evidence for monarchical episcopacy in Rome at so early a date"
Edited sentence: Early church lists place him as the second or third or as possibly the immediate successor of Saint Peter as bishop of Rome, although another very recent source states that "there is no evidence for monarchical episcopacy in Rome at so early a date"