No information whatsoever can be inferred from this exceptional value (e.g., unknown if any surgical procedure of the primary site was performed).
no information whatsoever can be inferred from this exceptional value (e.g., unknown if any surgical procedure of the primary site was performed).
No information whatsoever can be inferred from this exceptional value (e.g., unknown if any surgical procedure of the primary site was performed).
no information whatsoever can be inferred from this exceptional value (e.g., unknown if any surgical procedure of the primary site was performed).