The Yakult Swallows announced today that Shingo Kawabata had surgery at a hospital in Tokyo to treat his lumbar herniated disc.
[UPDATE 9/1 @ 2:34pm]
Kawabata might be able to resume practices in November.
Source: Sanspo 9/1/2017
[UPDATE 9/5 @ 12:33am]
Kawabata had surgery on August 31 and was able to check out of the hospital on September 3.
Source: Daily Sports 9/4/2017
[UPDATE 10/16 @ 4:35pm]
Kawabata hopes to be ready for Ichi-gun spring camp next year. He feels it will be possible so long as he is able to begin regular drills next month.