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Abstract HD bronchoscopy, which provides substantially higher resolution images than conventional WLB and produce signal images with resolutions that range from 850,000 pixels to more than 1 million pixels. I-Scan technology is a software-driven technology that allows modifications of sharpness, hue, and contrast to enhance view of the texture of the mucosal surface and blood vessels. HD bronchoscopy with I-Scan has a significant role in pathological diagnosis of lung cancer according to vascular patterns, as tortuous vessels mostly related to squamous cell carcinoma and dotted vessels mostly related to Adenocarcinoma. |