Ask the Attorney: Medical reimbursement following crash

Atty Haymond,
My Daughter was involved in a terrible accident almost a year ago when she was rear ended by a work truck.
Her injuries (back) have become increasingly serious and costly for us to handle.
Is it to late to go after the truck driver and/or company since we weren't aware it would come to this. Obviously getting her health back as close to as normal is our #1 priority.

Alicia M