Plz help
Which sentence correctly links two independent clauses?
The hairline fracture in the young woman's bone healed well and in fact, the x-ray showed new bone growth all around the break.
The hairline fracture in the young woman's bone healed well; in fact, the x-ray showed new bone growth all around the break.
The hairline fracture in the young woman's bone healed well, in fact, the x-ray showed new bone growth all around the break.
The hairline fracture in the young woman's bone healed well. In fact, the x-ray showed new bone growth all around the break.