Complex sentence: As a result of the surgery, Forsyth did hot host the "Strictly Come Dancing Christmas Special" as planned; a spokesman said that he was unable to host the show but would still play a part in the production, recording a special video message.
Split into simpler sentences: As a result of his surgery, Forsyth had to pull out of his expected hosting of the "Strictly Come Dancing Christmas Special". A spokesman said that he was unable to host the show but would still play a part in the production, recording a special video message.