Mohs' surgery is a specialized excision used to treat basal and squamous cell skin cancers.Select the statement about Mohs' surgery that best reflects the process,procedure,and outcome goal.

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The procedure involves excising the lesion layer by layer and examining each layer under the microscope until all the abnormal tissue is removed.Mohs' surgery is usually completed on an ambulatory basis with the patient administered a local anesthetic.Because the procedure is lengthy,patient preparation and comfort are essential to facilitate cooperation during the procedure.A horizontal layer of tissue is removed and divided into sections that are color-coded with dyes.A map of the surgical site is then drawn.Frozen sections are immediately prepared and examined microscopically for any remaining tumor.If tumor is found,the location or locations are noted on the map and another layer of tissue is resected.The procedure is repeated as many times as necessary to completely remove the tumor.

Mohs' Surgery Is a Specialized Excision Used to Treat Basal