Posterior Uniportal VATS for the Posterior Segment (S2) Nonanatomical Resection Followed by Lobectomy: Major Bleeding Event

<div>A 67-year-old woman, with multimorbidity and previously treated squamous cell carcinoma of the tongue, was admitted to the author's clinic for the treatment of a 1.1 cm squamous cell carcinoma located in the posterior segment of the left upper lobe. A single incision of 3 - 3.5 cm was made in the fifth intercostal space posteriorly, in the so-called "triangle of auscultation." A nonanatomical posterior segment resection of the upper left lobe was conducted (the segment vein was ignored), followed by lymphadenectomy.</div><div><p>However, the tumor was missed and further resection was indicated, during which a bleeding due to an injury of the pulmonary artery occurred. After successful control of the bleeding, the lobectomy was completed without adverse events.</p><p>The postoperative course was uneventful, and the patient was discharged on the sixth postoperative day. Pathologic investigation revealed that the tumor was a 1.1 cm squamous cell carcinoma of the lung (in situ component), and the final stage was pT1a2N0M0.</p></div>