Speaking to PEOPLE magazine, cancer patient Katherine Field, revealed how the Princess discussed cold cap therapy during their meeting at London's Royal Marsden Hospital.

The Princess of Wales had been animatedly talking to 45-year-old patient Katherine Field during an emotional visit yesterday ...

The Princess of Wales revealed intimate details about her cancer treatment as she visited the Royal Marsden Hospital in ...

The princess spoke about how she was encouraged to keep positive during her treatment at the Royal Marsden Hospital.

An implanted port, or portacath, is a small apparatus placed under the skin until the end of treatment ... A cold cap, which ...