Possible Clues:

• Superficial cyst
• Fresh turn for a swell from London
• New sort of tumour
• Crowded city in England
• Insist, by the sound of it, that's us to the North there
• Rune equivalent to a W
• Benign tumour usually on head
• -- Ho Lee (name in 2000 news)
• Skin defect
• Benign tumour on the head, could be new