What did Foreman do wrong in the TV series "House" episode TB or not TB? - house tv episodes

In this episode, there was a woman who thought she had breast cancer, because he felt a lump in her breast. Foreman-check and said it was Benin, and had nothing to fear. It required a biopsy, and had. He complained about how he treats her, and Cuddy has "Foreman apologize" for. Those who show to understand why I put it in quotes Foreman Clock.