<prompt> Distressing Complication after modified radical mastectomy?LymphedemaAxillary vein thrombosisSeromaDeath  <response>: Complications of Mastectomy Seroma MC complication, beneath skin flaps and axilla, occurs in 30 cases Catheter is retained until drainage is 30 mlday Wound infection Majority are due to skin flap necrosis Lymphedema Occurs less frequently with the standard axillary dissections. Extensive LN dissection, radiation therapy, presence of positive LNs, obesity are predisposing factors. Injury to Long Thoracic Motor Nerve Seen in 10 of all cases. Result in a palsy of the Serratus anterior muscle classical winged scapula Injury to Thoracodorsal Nerve: Leads to palsy of the latissimus dorsi muscle. Redundant Axillary Fat Pad 