Here's a rephrased version that maintains a professional tone while emphasizing specific concerns:

Subject: Regretful Absence from Meeting

Dear [Meeting Organizer],

I would like to express my regret for not being able to attend the scheduled meeting on [date and time]. Due to unforeseen circumstances, I am unable to make it.

I understand that my absence may impact the agenda and I would like to ensure that my concerns and proposals are taken into consideration during the meeting. As such, I would appreciate it if you could share the meeting minutes with me and keep me informed of the key outcomes.

Furthermore, if there are any opportunities for me to provide input before or after the meeting, please do not hesitate to reach out. I am eager to contribute to this important initiative in any way that I can.

Thank you for your understanding and please accept my sincere apologies for any inconvenience caused.

Best regards,
[Your Name]
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