Swelling has implications as regards to pain. Swelling is a manifestation of pain.
Roughly speaking, this is how it works
Slight swelling:
adds 2 points of pain
Moderate swelling:
adds 4 points of pain
Heavy swelling:
adds 7 points of pain
Huge swelling:
adds 9-10 points of pain
Roughly speaking, this is how it works
Slight swelling:
Moderate swelling:
Heavy swelling:
Huge swelling: