The phrase "although the operation" is correct and usable in written English.
It can be used to introduce a contrast or exception related to an operation or process being discussed.
Example: "Although the operation was complex, the team managed to complete it successfully."
Alternatives: "even though the procedure" or "despite the operation".
Although the operation appeared ill-planned, there was some evidence of forethought.
Although the operation was a surgical success, surgeons said they had to remove the penis two weeks later.
Although the operation extends life, it rarely cures, and it carries a high risk of complications, as Gubar discovered.
Although the operation was completed without complications, the donor died three days later, and a state investigation blamed poor postsurgical care.
"One is that anti-nuclear people have formed an underground group although the operation seems to involve too much capacity for a really secret group," he said.
Although the operation of the free market will probably eventually create new employment opportunities, government alone has the resources to care for their welfare in the meantime.
Although the operations are concentrated in the southern region near the Iranian border, they are not limited to it.
They said that although the operations were extremely valuable, too many hospitals in the United States were doing them or planning to start, including some centers that might lack the experience needed to perform the operations safely.
It is shown that although the operations to compute the vector C-T estimates can be quite different, the ERP estimates are similar with respect to their overall waveform shapes and peak latencies.
Although the operations of HFCs were reported to have improved since DFF introduction, only a minority of exit interviewees were well informed about their activities.
Although successful the operation was arguably not well managed, and the Australians had been effectively delayed by a half-trained native force.
