You will be given a definition of a task first, then some input of the task.
Given a sentence in the Japanese, provide an equivalent translation in Lao that retains the same meaning through the translation. In translation, keep numbers as it is.

彼が2009年10月から前立腺ガンを患っていたことは、知られていた。
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
ເປັນທີ່ຮູ້ກັນວ່າລາວໄດ້ຖືກທໍລະມານຈາກ ມະເລັງຕ່ອມລູກໝາກ ຕັ້ງແຕ່ ເດືອນຕຸລາ 2009.