This is a retrospective and prospective, multicenter, observational patient registry to record outcomes from patients undergoing cryoablation of the intercostal nerves (cryoanalgesia) for post-operative pain management.

Inclusion Criteria:

1. Patients whose age is 12 years or above, and are able to give informed consent/assent specific to state and national law.
2. Patients have been scheduled by physician(s) to undergo or have undergone cryoablation of the intercostal nerves utilizing at least one AtriCure device or are similar patients treated without the use of cryoablation

Exclusion Criteria:

1. Patient is enrolled in a concurrent trial that may impact the treatment offered by the registry devices.
2. Patient with exclusion criteria required by local governance.
3. Women of childbearing potential who are, or plan to become, pregnant during the time of the study

The REDUCE registry eligibility is open to sites and physicians performing cryo nerve block procedures as treatments for patients to generate croanalgesia as a post operative pain management method using the AtriCure Cryo Nerve Block (cryoNB) Device Family. Subjects must have been scheduled to undergo or have undergone the cryo nerve block procedure and must meet all eligibility criteria in order for their treatment and results to be considered for this registry.