On average, the life expectancy of peritoneal mesothelioma patients is 12 months. However, multiple studies have shown that patients who have cytoreduction with HIPEC experience significantly longer survival times. Many patients now survive up to 5 years and some even live beyond 7 years.
It was written by co-creator Mark Gatiss, who also portrays Mycroft Holmes, Sherlock's brother in the series, and was directed by Paul McGuigan. The episode is a contemporary adaptation of The Hound of the Baskervilles, one of Sir Arthur Conan Doyle 's most famous works.
Sherlock always has one brother, Mycroft Holmes. But if we consider the BBC Sherlock Directed by Steven Moffat and Mark Gatiss then there is a lot of room for improvisation and any twist and turn can be planted in the story, as Moffat and Gatiss are one of the best story-teller that British television ever witnessed.