The symbolism is clear, an actress in the “theater of war,” M.A.S.H., is dead.

She was also in The Twilight Zone.
The Twilight Zone = 201
The Jesuit Order = 201
Russian Invasion = 201
Donbas Region = 201
Odesa, Ukraine = 201

And of course, she is dead 38-weeks and a day after her birthday.
Death = 38
Murder = 38
Killing = 38
RIP = 38

And notice where Sally Kellerman fits in.
Sally Kellerman = 218
Richard Hooker = 218 (Writer of MASH)
Holy Roman Empire = 218
*Death = 218 (English Extended)

She is dead at age 84.
Jesuit = 84
*Vladimir Putin = 84 (Public Enemy #1)

The divisors of 84 sum to 224, and today is 2/24.
The Society of Jesus = 224

https://en.wikipedia.org/wiki/Sally_Kellerman

The film released January 25, 1970, more than 52-years ago.
25/1, like 251
251, 54th prime
Jesuit Order = 54

Notice it was based on a 1968 novel.

She is dead 160-days after the 50-year anniversary of the start of the show, and 52-years after the release of the film.

She is dead 30-days after the anniversary of the release of the film.
Sally = 30