Seroma Formation After Modified Radical Mastectomy With Flap Fixation Technique in Breast Cancer Patients

Seroma is collection of blood plasma or lymphatic fluid under skin flap or axillary dead space. It occurred after modified radical mastectomy. Patient will have subcutaneous swelling or edema which be confirmed by physical examination or bedside ultrasound. It categorized by common terminology criteria for adverse events version 5.0 for 3 grades. 1. asymptomatic 2. symptomatic with medical intervention or simple aspiration 3. symptomatic with required interventional radiology or operative intervention.