Steve M. answered 04/02/19
Former contract SAT Expository Writing test evaluator/grader
The first thing I would do is to change your complaint letter to a memo format, something that sets up a more "business-like" tone to your document. There are also numerous grammatical and format errors need to be edited. A concise, polite sentence at the very beginning will summarize your reason for writing: "I wish to invite your attention to an unfortunate incident that took place in your hospital on the occasion of my surgery on...", etc. After that opening statement, your memo's next paragraph should contain a brief summary of the circumstances that led to the events: time, place, date, why, when, etc. This sets the stage for your complaint--the "descriptive" paragraph--in which you provide details. The final paragraph should emphasize your satisfaction with the results and your overall good opinion of the hospital. Note that the word "sincerely" is a very good choice that can be effectively used to cut both ways: you can be "sincerely" pleased, or "sincerely" angry! You can contact me for more detailed assistance through Wyzant, if you wish.