Skeletal muscle biology / Esthetics / Humans / Female / Male / Fascia / Patient Satisfaction / The / Clinical Sciences / Facial Nerve / Aged / Middle Aged / Questionnaires / Neoplasm Invasiveness / Adult / Retrospective Studies / Study design / Abdominal Fat / Facial Asymmetry / Case Control Study / Control Group / Case Control Studies / Postoperative Period / Fascia / Patient Satisfaction / The / Clinical Sciences / Facial Nerve / Aged / Middle Aged / Questionnaires / Neoplasm Invasiveness / Adult / Retrospective Studies / Study design / Abdominal Fat / Facial Asymmetry / Case Control Study / Control Group / Case Control Studies / Postoperative Period