Varian Medical Systems, Inc. reaffirmed earnings guidance for the fiscal year 2020. Based on solid operating performance in the first fiscal quarter and continued market and product momentum, the company is making no changes to the fiscal year 2020 guidance given during the last earnings call. The company expects earnings to be weighted towards the back-half of the fiscal year as it continues to invest in future growth. The company considers factors that can influence the business, including the strength across the portfolio, growing contribution from software and services, performance variability of the Proton Solutions segment, and the mix of mature and emerging markets.