Varian Medical Systems (NYSE: VAR) is expected to report Q4 earnings on Oct. 25. Here's what Wall Street wants to see:

The 10-second takeaway
 Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict Varian Medical Systems's revenues will grow 4.0% and EPS will expand 8.4%.

The average estimate for revenue is $747.7 million. On the bottom line, the average EPS estimate is $1.03.

Revenue details
 Last quarter, Varian Medical Systems reported revenue of $705.3 million. GAAP reported sales were 8.6% higher than the prior-year quarter's $649.4 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 Last quarter, EPS came in at $0.96. GAAP EPS of $0.96 for Q3 were 16% higher than the prior-year quarter's $0.83 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Recent performance
 For the preceding quarter, gross margin was 43.6%, 50 basis points better than the prior-year quarter. Operating margin was 21.8%, 20 basis points better than the prior-year quarter. Net margin was 15.4%, 20 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $2.80 billion. The average EPS estimate is $3.73.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 387 members out of 402 rating the stock outperform, and 15 members rating it underperform. Among 112 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 110 give Varian Medical Systems a green thumbs-up, and two give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Varian Medical Systems is outperform, with an average price target of $73.50.