Synopsis
Explain how breast volume, position, treatment-related change and the patient’s goals determine an optional contralateral balancing procedure, its timing and the assessment needed before surgery.
- Identify the mismatch before choosing an operation: reduction decreases volume and reshapes, mastopexy primarily raises and reshapes, and augmentation adds volume with device-related consequences. Either breast may need adjustment, and further surgery is optional.
- Compare immediate and staged symmetrisation around the cancer plan, tissue recovery and expected change. Additional wound complications can affect adjuvant treatment; radiotherapy and settling may alter the eventual target, without imposing a universal timing rule.
- A new unexplained contralateral lump needs diagnostic assessment before elective balancing. NICE recommends a suspected cancer pathway referral for an unexplained breast lump in a person aged 30 or over; an earlier normal surveillance image does not explain a new finding.
Key red flags
An unexplained lump, a new suspicious skin change or a concerning nipple change should not be attributed to ordinary asymmetry without assessment. In a person aged 30 or over, an unexplained breast lump warrants the NICE suspected cancer pathway. Arrange prompt assessment through the breast service if the patient is already under its care and defer the elective symmetry decision while the finding is unresolved. The planned operation is not a substitute for diagnosing the abnormality first.
Reasoning priorities
Assess volume, ptosis, nipple position and sensation, breast base dimensions, chest-wall asymmetry and skin quality, together with previous operations and radiotherapy. With consent, photographs can record the starting appearance and support comparison at follow-up.
These findings identify whether the problem is chiefly size, position, contour or an evolving reconstruction. Measurements support discussion but do not decide which difference matters to the patient. Review the existing operative records so an unfinished reconstruction is not mistaken for its final state.
Worked reasoning
A 57-year-old has a healed unilateral reconstruction with no further adjuvant treatment or mound adjustment planned. The opposite breast has a similar volume but a lower nipple and more ptosis. She wants to retain the present size and improve nipple level and bra fit.
- The surgeon examines both breasts upright, reviews the treatment record and confirms that position and skin-envelope shape, rather than excess volume, drive the mismatch. There is no new contralateral symptom or unresolved examination or imaging concern. The patient confirms that she does not want either breast enlarged.
- They compare a contralateral mastopexy with reduction, augmentation, adjustment of the reconstructed side and accepting the current appearance. A lift most directly addresses the lower nipple and ptosis while preserving the volume she likes. They discuss scars, wound healing, changed sensation, nipple perfusion and the possibility of residual asymmetry or further surgery.
- She chooses mastopexy after reviewing the proposed result and scar pattern. The team documents the agreed target and performs the planned procedure. At the early review the wound is closed, the nipple is viable and there is no expanding swelling or infection; these findings are recorded before judging the cosmetic outcome.
- At the later review she reports easier bra fitting and is satisfied with the improved nipple level. Mild residual contour asymmetry remains, which she prefers to accept. The clinician records this observed result and her decision against further adjustment, confirms the ongoing surveillance plan and gives a route for reporting new symptoms.