Could someone review it, please?

Systematic review was aimed to gather (The aim of the systematic review was to gather) and identify key scientific evidence available from January 2002 to March 2004 on the effectiveness of manual lymph drainage in the prevention and treatment of lymphedema in breast cancer. The databases used were Pubmed, PEDRO; Cochrane and Scopus. A total of 10 studies met the inclusion and exclusion (met all relevant) criteria. Five studies examining (examined) the effectiveness of DLM in their ability to prevent lymphedema, and 5 studies on its (examined its) effectiveness in treating it. These studies (The studies) found to date appear to show positive results regarding (in respect to) the effectiveness of DLM in the prevention and treatment of lymphedema after breast cancer surgery, although more studies on the effectiveness of DLM in both aspects are necessary.