Provided you have recovered fully from your nose job without any complications or ongoing issues, it should be fine to proceed.
I would make a few suggestions prior to undergoing breast surgery:
#1 Make sure your plastic surgeon is a member of his or her local Plastic Surgery Society. By doing so, you will likely be going to a Board Certified Plastic Surgeon who has met the rigorous ethical and professional standards insisted upon by his or her local colleagues. That endorsement from the surgeons in your community is tremendously valuable.
#2 Look for a surgeon whose practice is comprised of a lot of breast surgery. The average surgeon only performs around 30-40 breast augmentations in a year, whereas some of us do 4-5 times that number. Experience matters.
#3 Be sure that your surgeon is operating in a certified facility. Not every outpatient surgical facility meets these requirements, and failure to obtain these certifications might be a red flag.
Best of luck!