Please choose the correct ending to complete the given sentence: Health: [header] How to remove spider veins [title] Undergo sclerotherapy. [step] In this medical procedure, a saline solution or detergent is inserted into the vein, causing it to become irritated and collapse. Once the vein has collapsed, it is no longer visible under the skin.

Ending1: You can expect one injection per inch of spider vein. The procedure is quick and usually quite painless-the prick of the needle is the only thing you feel. Ending2: This procedure can open the pores in the skin, and cause more spider veins to develop. To remove the spider veins, you will need to complete one of the following steps : [substeps] Clean the area underneath your skin with a cotton ball and antiseptic mouthwash. Ending3: As such, laser replacement therapy is an option for the treatment of spider veins. Laser therapy is almost always recommended, since it relieves the body's pressure on the vein, causing it to become stronger. Ending4: In this procedure, temporary surgeon's fees can be in order. In this procedure, the scar will not fall back to just a few inches, and in turn, it will still be present.

Answer format: ending1/ending2/ending3/ending4