"Going through the back door unseen while going through the treatment must have been pretty lonely," a royal insider told People. "When you see these other people when they’re having their ...

The Princess of Wales received chemotherapy away from fellow cancer patients. Being the Princess of Wales doesn't always have its advantages. When Kate Middleton received her cancer treatment, she ...

Angela Terry, a lung cancer patient, tells PEOPLE that Kate's "gentle eye contact" and " level of connection " left an impression. The royal also reassured Rebecca Mendlesohn, who is in a trial for ...

"Going through the back door unseen while going through the treatment must have been pretty lonely," a royal insider told People. "When you see these other people when they’re having their ...

"Going through the back door unseen while going through the treatment must have been pretty lonely," a close royal insider tells PEOPLE in this week's exclusive cover story. "When you see these ...