There are so many things to get freaked out over during this whole ordeal, it's best to try to focus on those that really are important. I'm no doctor but missing rad session that is tacked on to the end seems pretty minimal. I've never read here where someone posted here that any RO staff lit their hair on fire screaming about a missed rad appointment.

Common sense also seems to indicate an extra day or two between sessions is not that critical. Holidays are skipped and every weekend is two days off. I just never felt an extra day or two between sessions was something I was going to get worked up over.