Sen. Paul says part of "my lung damaged by the 2017 assault had to be removed by surgery this weekend," but "I should be able to return to the Senate in September."

NEW: Sen. Paul says part of "my lung damaged by the 2017 assault had to be removed by surgery this weekend," but "I should be able to return to the Senate in September."

— NBC Politics (@NBCPolitics) August 5, 2019