{"corpus_id":26262278,"paper_sha":"d6bafdb2eb17f2d87e49dc70cdb57d96570c4389","doi":"10.47102/annals-acadmedsg.v34n10p595","arxiv_id":null,"pmid":16382243,"pmcid":null,"mag_id":2405288233,"dblp_id":null,"acl_id":null,"title":"Locally advanced and metastatic breast cancer in a tertiary hospital.","year":2005,"publication_date":"2005-11-01","venue":"Annals of the Academy of Medicine, Singapore","journal":{"name":"Annals of the Academy of Medicine, Singapore","pages":"\n          595-601\n        ","volume":"34 10"},"journal_issn":null,"journal_title":null,"publication_types":["JournalArticle","Study","Review"],"pubmed_pub_types":["Comparative Study","Journal Article"],"s2_fields_of_study":["Medicine"],"reference_count":24,"citation_count":28,"influential_citation_count":3,"is_open_access":false,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":[{"d":"Adult","mj":false,"ui":"D000328"},{"d":"Aged","mj":false,"ui":"D000368"},{"d":"Aged, 80 and over","mj":false,"ui":"D000369"},{"d":"Breast Neoplasms","mj":false,"qs":[{"q":"epidemiology","mj":true,"ui":"Q000453"},{"q":"pathology","mj":false,"ui":"Q000473"},{"q":"secondary","mj":false,"ui":"Q000556"}],"ui":"D001943"},{"d":"Female","mj":false,"ui":"D005260"},{"d":"Hospitals, General","mj":false,"qs":[{"q":"statistics & numerical data","mj":true,"ui":"Q000706"}],"ui":"D006769"},{"d":"Humans","mj":false,"ui":"D006801"},{"d":"Incidence","mj":false,"ui":"D015994"},{"d":"Middle Aged","mj":false,"ui":"D008875"},{"d":"Neoplasm Invasiveness","mj":false,"ui":"D009361"},{"d":"Neoplasm Metastasis","mj":false,"ui":"D009362"},{"d":"Neoplasm Staging","mj":false,"ui":"D009367"},{"d":"Retrospective Studies","mj":false,"ui":"D012189"},{"d":"Singapore","mj":false,"qs":[{"q":"epidemiology","mj":false,"ui":"Q000453"}],"ui":"D012846"}],"chemicals":null,"comments_corrections":null,"source_flags":5,"s2_open_access_pdf_url":null,"s2_open_access_landing_url":null,"s2_open_access_license":null,"s2_open_access_status":null,"pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"INTRODUCTION\nThe breast cancer incidence among Singapore women has risen through the years and is now the highest in Asia. Despite efforts to promote a greater awareness of breast cancer among the public, a significant number of patients still present with locally advanced or metastatic breast cancer. Our study aims to evaluate the clinical and pathological characteristics between patients presenting with locally advanced (LABC) and metastatic breast cancer (MBC) and those presenting with early breast cancer (EBC), to identify factors that predict for advanced disease.\n\n\nMATERIALS AND METHODS\nWe reviewed 622 patients who were newly diagnosed with invasive breast cancer in our department over a 4-year period from January 2000 to December 2003. Patient and tumour characteristics including age, parity, family history, tumour size and histology, grade and hormonal receptor status were analysed. Comparisons were made between those with EBC and those with LABC and MBC, as well as between Malay women and women of other ethnic groups.\n\n\nRESULTS\nOne hundred and thirty-four patients (21.5%) presented with either LABC or MBC. Adjusted analysis found that these patients were older and more likely to be nulliparous than those with EBC. Older patients tend to have larger tumours, but otherwise, age and parity did not correlate with tumour histology, grade or hormonal status. It was noted that Malay women, who were more likely to present with LABC or MBC, were more likely to have oestrogen receptor- and progesterone receptor-negative tumours.\n\n\nCONCLUSIONS\nOlder women and those who were nulliparous were found more likely to present with LABC and MBC. However, age and parity did not appear to be related to tumour histology, grade and hormonal status. Given that tumour size and stage have the greatest impact on overall survival, efforts to raise public awareness of the benefits of early detection and treatment should be continued, and possibly directed towards these groups of women who appear to be at an increased risk of presenting late.","claims":[{"public_id":"cl_dd50fe7fec5a1077317edb554c3a97dc","status":"active","text":"Age and parity did not appear to be related to tumour histology, grade, or hormonal status.","confidence":0.92,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_dd50fe7fec5a1077317edb554c3a97dc"},{"public_id":"cl_f02478380dfe3ab8959f4a2cf3c34fe1","status":"active","text":"Among the 622 newly diagnosed invasive breast cancer patients reviewed over four years, 21.5% presented with locally advanced or metastatic disease.","confidence":0.93,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_f02478380dfe3ab8959f4a2cf3c34fe1"},{"public_id":"cl_255594bd27066e25c36b2dc1be374b86","status":"active","text":"Malay women were more likely to present with locally advanced or metastatic breast cancer and more likely to have oestrogen receptor-negative and progesterone receptor-negative tumours.","confidence":0.94,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_255594bd27066e25c36b2dc1be374b86"},{"public_id":"cl_5b339ff365a9d1126ce0c4f40cf48235","status":"active","text":"Older women and nulliparous women were more likely to present with locally advanced or metastatic breast cancer than with early breast cancer.","confidence":0.97,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_5b339ff365a9d1126ce0c4f40cf48235"}],"concepts":[{"public_id":"co_2974819e143f1024d310d3f637e56329","status":"active","name":"early breast cancer","description":"Breast cancer detected at an earlier, less advanced stage.","types":["disease stage"],"aliases":["EBC"],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_2974819e143f1024d310d3f637e56329"},{"public_id":"co_3c8162a3ae68045fc03deeb90d89b707","status":"active","name":"622 patients","description":"The cohort of newly diagnosed invasive breast cancer patients reviewed over the study period.","types":["study 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tissue.","types":["disease"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_5a3986dcb0cba5fc1f240ae7ef1f978e"},{"public_id":"co_61e90cf03958099aa990ebc0625268ca","status":"active","name":"parity","description":"The number of times a woman has given birth.","types":["patient characteristic"],"aliases":[],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_61e90cf03958099aa990ebc0625268ca"},{"public_id":"co_67d8023f77a2c47aaddd6496423c6ca5","status":"active","name":"progesterone receptor-negative","description":"Tumors lacking progesterone receptor expression.","types":["tumor characteristic"],"aliases":["PR-negative"],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_67d8023f77a2c47aaddd6496423c6ca5"},{"public_id":"co_72b6358568e173a8e2b2f9b33bf9cadc","status":"active","name":"hormonal status","description":"The tumor's status for hormone receptors, including estrogen and progesterone receptors.","types":["tumor characteristic"],"aliases":["hormonal receptor status"],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/concepts/co_72b6358568e173a8e2b2f9b33bf9cadc"},{"public_id":"co_a10c2486a02b9d51d6e3795d60ed1f20","status":"active","name":"metastatic breast cancer","description":"Breast cancer that has spread to distant sites.","types":["disease 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