What is the main symptom of breast cancer?

Appeared in: MP CHO -2019 (Shift-1)

Explanation

A painless lump or thickening in the breast is the most common initial symptom of breast cancer.
This symptom is the first sign in a high percentage of diagnosed cases.
The lump is often characterized as being hard, having irregular borders, and being fixed to the surrounding tissue.
Other signs like size changes or nipple discharge are also important but are less frequent as the primary presenting symptom.

Option B: While a change in breast size or shape is a potential sign of breast cancer, it is not the most common or 'main' presenting symptom compared to a palpable lump.
Option C: Nipple discharge, particularly if it's spontaneous and bloody from a single duct, is a significant warning sign but is much less common as the primary symptom than a breast lump.
Option D: This option is incorrect because although all listed items are symptoms of breast cancer, the question asks for the 'main' symptom. A lump or thickening is overwhelmingly the most frequent initial sign, making it the single best answer.

Clinical Relevance

Nursing practice connection: Knowing Identifying the primary symptom of breast cancer helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Nurses play a crucial role in educating patients about breast cancer awareness, including the importance and technique of monthly Breast Self-Examination (BSE).
Patient education should emphasize that any new lump, regardless of pain, requires prompt evaluation by a healthcare provider to rule out malignancy.
Nurses should be familiar with screening guidelines, including clinical breast exams (CBE) and mammography schedules, to provide accurate information and support to patients.

How to Approach the Question

First, identify the core of the question, which is to name the 'main' or 'most common' symptom of breast cancer.
Recall the classic clinical presentation of breast cancer. Think about what sign most frequently brings a patient to a clinic.
Evaluate each option. 'Lump or thickening', 'change in size', and 'nipple discharge' are all valid symptoms.
Consider the option 'All of the above'. While all are symptoms, the question asks for the 'main' one, implying there is a primary or most frequent sign.
Based on medical knowledge, a painless lump is the most common presenting symptom. Therefore, it is the best answer.
Select the option that specifically names this primary symptom over the more general 'All of the above'.

Concept Tested & Keywords

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E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart C (pp 404-604 of 604) p. 58-60

E6 Pathology- ROBBINS & COTRAN PATHOLOGIC BASIS OF DISEASE 10TH Ed p. 1038-1040

E6 Medicine Macleod Clinical Examination 15e p. 246-248

Practise the full MP CHO -2019 (Shift-1)

Attempt every question from this paper in a timed mock, then review the full solution for each one.