Flying ad hoc networks (FANETs) are visioned to unlock the potential of the Internet of Drones in various application scenarios like surveillance, agriculture, health care, disaster management, and rescue operations. As the unmanned aerial vehicles possess fast movements and frequent topological variations, selection of the next hop, self‐adaptation, and avoidance of dissemination loops have proven to be the challenging issues that have a considerable impact on the performance of a FANET. We propose a performance‐aware routing mechanism, G‐OLSR, for efficient communication and collaboration among the unmanned aerial vehicles in a FANET environment. The self‐adaptation of the network in case of any topological changes is considered in the proposed mechanism. Moreover, the proposed mechanism avoids the dissemination loops and it, consequently, improves the performance of the network. The simulation results show that the proposed mechanism performs better in terms of delay, message overhead, packet delivery ratio, and throughput than Optimized Link State Routing.
The objective of the study is to investigate the benefits of pathological assessment of donuts removed during coloanal anastomosis after anterior resection. Methodology During three years, 220 patients underwent circular stapled anastomosis. It is a retrospective study with convenient sampling. Involvement of donuts, the involvement of margins, length of donuts, and margins were primarily recorded. Ethical review approval was taken from the Institutional Review Board. Hospital electronic system was used to retrieve the data.
Introduction Malignant melanoma, which arises from melanocytes or pigment cells, is one of the most common forms of epithelial cancer. Cutaneous and noncutaneous melanomas differ clinically and genetically. Mucosal melanomas are rare. In the female genital tract, the most frequent location of melanoma is the vulva, whereas the vagina is seldom affected. The occult nature of their anatomical location contributes to the late presentation and late diagnosis of vaginal melanoma, resulting in an exceedingly poor patient prognosis. The present study describes the incidence, symptoms, management, and prognosis of women in Pakistan with malignant melanoma of the vulva, vagina, and cervix.
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