Please choose the correct ending to complete the given sentence: Health: [header] How to undergo a mole biopsy [title] Get a punch biopsy. [step] A punch biopsy is when the doctor uses a special tool to punch into the skin around the mole. The tool has a circular blade.

Ending1: A plastic ring at the end of the blade comes into contact with the skin of the mole. [title] Get cytomegalophyll. Ending2: The marker of the punch is found along the incision. The procedure involves cutting away enough of the mole so that when the doctor take out the marker, the mole will bleed out. Ending3: [substeps] A person will be given a small tool that passes around the mole on the face. This tool is very inexpensive and not widely available. Ending4: First, the doctor will numb the skin around the area being biopsied with a needle. Then, they will press the tool to the skin to remove a circular piece of skin to biopsy.

Answer format: ending1/ending2/ending3/ending4