To assess the feasibility and provide information on the utility of noninvasive line field confocal optical coherence tomography (LC-OCT) for the presurgical assessment of Mohs micrographic surgery sites in patients undergoing removal of cutaneous basal cell carcinomas (BCC).

Inclusion Criteria:

• Age ≥ 18 years
• Participant must understand the investigational nature of this study and provide written consent prior to receiving any study-related procedure.
• Participant must be clinically eligible for Mohs surgery as determined by their referring dermatologist and the Mohs surgeon.
• The participant must have a BCC with superficial histology or a BCC with multiple histological features that also include superficial histology, which is appropriate for Mohs surgery.

Exclusion Criteria:

• Known or reported allergy to mineral oil, the optical agent used during imaging.
• Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
• . Any condition which in the investigator's opinion deems the subject an unsuitable candidate to undergo imaging procedure.
• Unwilling or unable to follow protocol requirements