I agree. Tsunade was even capable of preserving her life when the still taking under the effects of the Strength of Hundred Techniques. Her lower body was detached. I assume if Naruto apply the same method Orochimaru used to revive Tsunade than Sakura could be saved as well.She grows a new body, until proven she can't. She can regenerate. Her chakra is in her head.
Madara grew legs