That's a good question. 

There are merit and disadvantages about da Vinci surgery. 

As for its merit, daVINCI brings surgeon a 3D vision, and surgeon can do Sophisticated 

Movement with daVinci arms, which have many joints. 

As for its Demerit, daVinci is not suitable for surgery with a lot of bleeding. If there are massive bleeding, you have to get rid of daVinci from the patients, and convert to thoracotomy. 

And we can't say that daVinci is indicative for extend surgery, which means surgery with other organs resection. 

We actually need to choose how to do operation. 

I'm sure that daVinci is one of important option of surgery. 

<まず文法直してもらった>

There are merit and disadvantages to da Vinci surgery. 
As for its merit, DaVinci brings surgeon a 3D vision, and surgeons can do Sophisticated 
Movement with daVinci arms, which have many joints. 

As for its Demerit, daVinci is not suitable for surgery with a lot of bleeding. If there is massive bleeding, you have to get rid of daVinci from the patients and convert to thoracotomy. 
And we can't say that daVinci is indicative for extended surgery, which means surgery with other organ resection. 

We need to choose how to do an operation. 
I'm sure that da Vinci is one of the important options of surgery.

<足りない意味を追加した>

There are merit and disadvantages to da Vinci's surgery. 
As for its merit, DaVinci brings surgeons a 3D vision, and surgeons can do Sophisticated 
Movement with daVinci arms, which have many joints. 

As for its Demerit, daVinci is not suitable for surgery with a lot of bleeding. If there is massive bleeding, you have to get rid of daVinci from the patients and convert to thoracotomy. 
And we can't say that daVinci is indicative of extended surgery, which means surgery with other organ resection. 

We need to choose how to do an operation taking what I said into consideration.
I'm sure that da Vinci is one of the important options for surgery.

ダヴィンチ手術にはメリットとデメリットがあります。メリットとしては、ダヴィンチは外科医に3Dビジョンをもたらし、外科医は関節の多いダヴィンチアームで洗練された動きをすることができる。動作ができる。
デメリットとしては、ダヴィンチは出血の多い手術には不向きです。大量の出血がある場合は、ダヴィンチを患者から外して胸腔鏡手術に切り替える必要があります。また、ダヴィンチが拡大手術、つまり他の臓器の切除を伴う手術に適しているとは言えません。
今申し上げたようなことを考慮して、手術方法を選択する必要があります。ダヴィンチが手術の重要な選択肢の一つであることは確かです。

Grammarly有料版で直した結果↓

There are merit and disadvantages to da Vinci's surgery.
As for its merit, DaVinci brings surgeons a 3D vision, and they can do sophisticated movements with daVinci arms with many joints.(withは続けてOK)
As for its Demerit, daVinci is unsuitable for surgery with a lot of bleeding. If there is massive bleeding, you must (ここはhave toよりmust) remove (get rid ofは冗長って言われた笑)DaVinci from the patient and convert to thoracotomy.
And we can't say that daVinci is indicative of extended surgery, which means surgery with other organ resection.
We need to choose how to do an operation, considering what I said.
I'm sure that da Vinci is one of the crucial (importantをessentialかcrucialかcriticalに変えるよう言われた)options for surgery.

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