In diameter, the arteries were the size of the tip of a pencil, Reddy said, and the aorta was 3 millimeters, or about one-eighth of an inch, long. His chest was the length of the doctor’s finger.
Open heart surgery was performed on a preemie. According to CNN, “The hospital [the baby boy] is expected to have a normal life, barring any medical complications from his premature birth.”