Attached files
Exhibit 16.2
September 11, 2014
Securities and Exchange Commission
Washington, D.C. 20549
Commissioners:
We have read Mevion Medical System Inc.s statements included under the heading Changes in and Disagreements with Accountants on Accounting and Financial Disclosure in the Registration Statement on Form S-1 filed on September 11, 2014, and we agree with such statements concerning our firm.
/s/ Hein & Associates LLP
Hein & Associates LLP