Are these sentence's punctuated correctly?

Differential diagnoses include:
Diabetes, adult-onset
Cholelithiasis, acute
Endocarditis, subacute

This year she'll have a breast augmentation, and next year she will have an abdominoplasty.

It should snow in the winter, not spring.

Differential diagnoses include:

Diabetes, adult-onset;
Cholelithiasis, acute ;
Endocarditis, subacute.