CEAP grading of varicose veins in the lower extremities is C0-C6: CEAP grading-C0: no visible signs of venous disease; CEAP grading-C1: capillary dilation (syndrome)/reticular plexus; CEAP grading-C2: varicose veins; CEAP grading-C3: edema; CEAP grading-C4: skin or subcutaneous tissue changes, hyperpigmentation or eczema, subcutaneous liposclerosis or white atrophy; CEAP grading-C5: healing ulcers; CEAP grading-C6: active ulcers.