I 118th CONGRESS 1st Session H. R. 4424 IN THE HOUSE OF REPRESENTATIVES June 30, 2023 Mr. LaLota (for himself, Mr. Ryan , Mr. Fitzpatrick , Mr. Case , and Ms. Spanberger ) introduced the following bill; which was referred to the Committee on Veterans' Affairs A BILL To direct the Secretary of Veterans Affairs to study and report on the prevalence of cholangiocarcinoma in veterans who served in the Vietnam theater of operations during the Vietnam era, and for other purposes.