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Supermassive black holes have powerful gravitational fields with strong gradients that can destroy stars that get too close, producing a bright flare in ultraviolet and X-ray spectral regions from stellar debris that forms an accretion disk around the black hole. The aftermath of this process may have been seen several times over the past two decades in the(More)
A 75-year-old man with a smoking index of 66 pack-years underwent left S6 segmentectomy (Fig. 1). Three months later, bronchoscopy revealed four endobronchial squamous cell carcinomas measuring 2—3 mm (Fig. 2). There was no recurrence of lesions at 1 year after bronchoscopic electro-cautery using a wire snare. Fig. 1. (A) Computed tomography of the chest(More)
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