hematoma Article 13 human 13 female 11 Humans 10 male 10 adult 8 Female 7 aged 7 Male 6 case report 6 clinical article 6 major clinical study 5 postoperative complication 5 Aged 4 Postoperative Complications 4 Reconstructive Surgical Procedures 4 Retrospective Studies 4 Treatment Outcome 4 child 4 computer assisted tomography 4 lung embolism 4 middle aged 4 reconstructive surgery 4 retrospective study 4 treatment outcome 4 very elderly 4 Adult 3 Aged, 80 and over 3 Child, Preschool 3