Depending on when you start radiation (ideally NOW) and I'm not being facetious - I do mean NOW - 6 weeks is optimal for healing post surgery and based on your dates you should have already started - so - they should get on the rads and chemo asap - anyway depending on when you start it - he's right. It sounds like you have a bit of a fissure of some sort, (did they get clear margins?) these are prone to infection and take time to heal and often need a lot of help - ideally they will do it right away, ask them how long this will delay rads and chemo. It's a tough situation because you don't want to wait for rads and chemo, but at the same time it will be even harder to heal once rads hits it. And not to scare you sometimes the area doesn't heal because there is still cancer present. Push push push. Make noise and tell them enough humming and hawwing. This has to be dealt with now. and a decision needs to be made. Delays can be deadly with this cancer.

Hugs and best of luck.