Certainly! First, let's define "keyhole surgery." According to the dictionary, keyhole surgery is a minimally invasive surgical procedure in which operations are performed through small incisions using specialized instruments, often with the aid of a camera.

Now, let's reorder the sentences to form a coherent paragraph:

c. I believe keyhole surgery is one of the most significant developments in modern medicine.
e. There are numerous advantages.
f. First of all, the surgeon can operate through tiny incisions so there is less scarring.
g. It involves introducing a video camera into the body of a patient so the surgeon can watch what he is doing on a TV monitor.
b. Then, surgeons can perform very delicate operations in this way.
d. Last but not least, recovery time is much quicker due again to the small incisions.
a. So, as you see, it really is a brilliant development.