Both CIED and breast implants can be placed above and below the pectoralis major muscle and require special consideration when a fascial plane is shared. The subfascial prepectoral pocket is the preferred approach for most ICD implanters.5 For patients with minimal adipose tissue at risk of device erosion or with aesthetic concerns, submuscular pockets are preferred.6 Breast implants can be implanted in a subglandular, subpectoral, or subfascial fashion depending on patients preference and characteristics.7