Objective: To conclude frequency for malignancies in subjects with mass in breast at the PUMHSW Nawabshah department of surgery Wards. Design of Study: This is an Observational research. Duration & Location of Study: Current research was carried out in surgery at Nawabshah People's Medical College Hospital (SBA) from November 20, 2018 to November 20, 2020. Methodology: This research comprised of 200 subjects. A comprehensive history was taken from total subjects with special consideration for breast nodules & axillary lymph nodes & recorded proforma to evaluate the affected area was specifically inspected. A systematic review was also conducted to identify comorbidities. Total subjects received baseline & specific tests, especially radiological & histopathological reports. The selection criterion was that total female subjects over the age of 15 associated with mass in breast were included in this research. Exclusion criteria were subjects with breast abscesses & those who were diagnosed & treated for breast cancer with recurrent lesions. Results: the range of age started from 15-65 years, 39+4.11 years was mean age. lesion of Benign nature on biopsy were were Fibroadenoma 22%, intraductal papilloma 9%, Phylloid Tumor Benign 6% & lactating adenoma 5%. Neoplastic nature was observed on biopsy invasive ductal carcinoma 19%, Invasive lobular carcinoma 11% & malignant phylloides tumor 9%. Conclusion: Study determined that frequency of breast malignancy in breast lumps was 58%.