• Breast Surgery

Breast surgery is the central focus of Dr Ong’s practice.

He manages both benign and malignant breast conditions, working as part of multidisciplinary care teams at Campbelltown / Macarthur, Macquarie University Hospital, and Chris O’Brien Lifehouse.

Conditions treated

Cancer & high-risk

  • Breast cancer — early stage and locally advanced
  • DCIS (ductal carcinoma in situ)
  • High-risk lesions (ADH, ALH, flat epithelial atypia)
  • Phyllodes tumour

Benign

  • Breast lumps · Fibroadenoma · Fibrocystic change
  • Breast pain (mastalgia)
  • Nipple discharge
  • Breast abscess and infection
  • Gynaecomastia

Breast Surgery

Surgical procedures

  • Breast-conserving surgery, including oncoplastic techniques
  • Mastectomy — range of approaches depending on clinical need
  • Breast reconstruction — discussed and planned on an individual basis
  • Axillary surgery — sentinel lymph node biopsy and axillary clearance
  • Localisation procedures — hookwire and wireless seed (SAVI SCOUT) techniques

Approach

Surgical planning is guided by multidisciplinary team review. Dr Ong holds HDAA/DIAS accreditation for diagnostic breast ultrasound.

Referrals

Referrals for breast lumps, abnormal imaging, confirmed cancer, high-risk lesions, and benign breast conditions are welcome. Urgent cancer referrals are given priority.