original: Some grow to be institutions as large as major hospitals, whilst retaining the name clinic.
simplifications: Some grow to be large institutions and keep the name clinic. Some become institutions as large as major hospitals but are still called clinics. Some institutions become as large as major hospitals. They don't always change their names. Some grow as large as major hospitals while still being called clinic. Some grow into large hospitals while keeping the name clinic. Some grow as large as major hospitals, while keeping the name clinic. Some grow to be as large as major hospitals, while keeping the name clinic. Some clinics grow to be as large as major hospitals but are still called clinic. Some grow to be institutions as large as major hospitals. However, they are still called a clinic. Some grow to be institutions as large as major hospitals, while keeping the name of the clinic.