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Rate of conversions to lobectomy will be measured by collecting the proportion of conversions to lobectomy.
Post operative complications will be reported and measured using the Ottawa Thoracic Morbidity and Mortality Classification of (a) Adverse reactions to ICG dye at the time of surgery and (b) Perioperative complications through study completion.
Length of time of the operation will be measured by collecting the time the patient entered the operating room until the time the patient left the operating room.
Rate of conversion to thoracotomy will be measured by collecting the proportion of conversions to thoracotomy. Descriptive analysis of reasons for conversion will also be collected.
Duration the patient had chest tubes in situ will be measured by collecting the date of surgery and the date the chest tube was removed.
Duration of hospital length of stay will be measured by collecting the data of admission and the date of discharge.
Estimated blood loss will be measured at the time of operation by OR staff.
A pre-operative CT scan based, a pre-operative 3D reconstruction based and post segmental resection surgeon confidence score will be obtained on a scale of 1-5: 1 - not at all confident, 2 - somewhat confident, 3 - confident, 4 - very confident, 5 - extremely confident.
Anatomical accuracy will be evaluated using the criteria listed in points a-c. A score of 3/3 on these items will indicate success of anatomical accuracy 1. Ex-vivo localization of lesions; 2. Ex-vivo confirmation of tumor-free margins around lesion; 3. Ex-vivo confirmation of adequate anatomical inter-segmental.
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