The most common and most likely answer to this crossword clue is the 9 letter word PROGNOSES
I've seen this crossword clue in The Daily Telegraph
P
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More clues leading to the result PROGNOSES
Buddy explains!

The straight part
We know that "expectations" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case expectations = prognoses.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does PROGNOSES mean?
PROGNOSES noun- A forecast of the future course of a disease or disorder, based on medical knowledge.
- The chances of recovery from a disease.
- A forecast of the future course, or outcome, of a situation; a prediction.