<prompt> In Pateys modified mastectomy, which of the following is preserved?Intercostobrachial nervePectoralis majorPectoralis minorAxillary fascia  <response>: In Pateys modified mastectomy, pectoralis major is preserved. PATEYS modification En bloc removal of nipple, areola, skin, breast tissue, breast mass level, I, II, III LN Excision of pectoralis minor. Variants of MRM Auschincloss Procedure Removes all breast tissue, nipple-areola complex, skin and level I II axillary LNs. PATEYS modification Pectoralis minor is removed to allow complete dissection of level III axillary LNs Scanlons Modification Pectoralis minor is divided instead of removing.Division of pectoralis minor allows complete removal of level III axillary LNs 