Dan had that happen and we called and they insisted we come right in. They feared infection - it turned out to be a hematoma. He had to go back in surgery and have it evacuated... I would definately call - it is always better to be safe than sorry.

Michelle, CG to husband (45), DX 2/08 Stage IVa Adenocarcinoma Salivary Gland (T2N2bMO)
Parotidectomy & ND 2/08, Tumor margins not clear, 4 of 30 nodes positve for cancer,
TX IMRT 39x, cisplatin 7x (completed 5/1/08),
PEG (4/22 - 7/9), No port. Currently in remission!