精せい密みつ検けん査さ

noun, noun or participle which takes 'suru'

thorough checkup; complete examination; detailed testing

Used for medical, technical, or investigative contexts where a detailed, comprehensive inspection is performed. Often implies a more in-depth follow-up after a preliminary test.

• 健けん康こう診しん断だんで異い常じょうが見みつかり、精せい密みつ検けん査さを受うけることになった。

  An abnormality was found during my health checkup, so I ended up undergoing a thorough examination.