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AI could halve time reading breast cancer scans, study suggests
Artificial intelligence could help almost halve the workload of radiologists when it comes to searching routine scans for signs of breast cancer, a large Swedish study suggested on Wednesday. The interim results of the trial were hailed as promising, but the authors cautioned that more research was needed before AI can be used to screen for breast cancer on a wider scale. While increasingly convincing chatbots such as ChatGPT have driven speculation about the future potential applications of AI, one area in which the technology has already shown proficiency is in reading medical scans. With many countries suffering from a shortage of radiologists, there are hopes that AI could make the time-consuming job of analyzing routine scans quicker and more accurate. This could have a particularly large impact for breast cancer. More than 2.3 million women were diagnosed with the cancer in 2020 alone, according to the World Health Organization, and it caused 685,000 deaths. Regular screening is vital to identifying early signs of cancer. In Europe, women aged 50 to 69 are advised to get a mammogram every two years, with the resulting scan analyzed by two radiologists. The study in Sweden involved the scans of 80,000 women who had mammograms at four sites in southwest Sweden between April 2021 and July last year. 'Considerable importance' Their scans were randomly divided for analysis to either an AI-supported system or two human radiologists, who served as the control group. The AI algorithm read the scans and predicted the risk of cancer out of 10. Its predictions were then checked by a radiologist. The AI-supported system spotted 20 percent more cancers, the study said, which worked out to be an additional case for every thousand women screened. When it came to false positives -- when a mammogram is first thought to look suspicious but is later cleared -- both the AI-supported system and the two humans spotted the same rate: 1.5 percent. And the workload for radiologists was reduced by 44 percent for the AI group, because only one person was required to read the scans rather than the normal two. "The greatest potential of AI right now is that it could allow radiologists to be less burdened by the excessive amount of reading," said Kristina Lang, a radiologist at Sweden's Lund University and lead author of the study. But Lang said the "promising interim safety results" were "not enough on their own to confirm that AI is ready to be implemented in mammography screening," she said in a statement. It will take two more years before the trial can say whether using AI leads to a reduction in what are called interval cancers, which are detected between routine screenings, the researchers cautioned. Stephen Duffy, a professor of cancer screening at Queen Mary University of London who was not involved in the study, pointed out that the AI algorithm may have over-diagnosed certain forms of early breast cancer called ductal carcinoma in situ. Nonetheless, he praised the "high-quality study", saying that reducing the burden on radiologists' time was "an issue of considerable importance in many breast screening programmes". The post AI could halve time reading breast cancer scans, study suggests appeared first on Daily Tribune......»»
End callous practice
Airlines’ practice of excessive overbooking, as proven in previous seat sales with huge discounts that resulted in passengers being bumped off, carries stiff penalties if the aggrieved party is persistent enough. The Mandaue City regional trial court recently provided the precedent for complaints from the army of disgruntled flyers when it ordered Cebu Pacific Air to pay P500,000 in damages to Cebu 6th District provincial board member Glenn Soco who was bumped off his scheduled flight from Manila to Cebu. Mandaue City RTC Branch 55 Presiding Judge Ferdinand Rafanan ordered Cebu Pacific to pay moral damages of P200,000, exemplary damages of P200,000, and P100,000 in attorneys and litigation expenses. The catch for Soco is that it took 12 years before he received just compensation for his ordeal, which is a stretch that entailed legal expenses that many Filipinos cannot afford. The compensation may even be short of the amount spent to keep track of the case, including the lawyer’s fees. Soco’s case, however, will greatly contribute to halting the excesses of airline firms through the indiscriminate denial of the service promised to their clients. He sued the airline for “breach of the obligation to transport him,” which he claimed had caused him inconvenience, serious anxiety, physical suffering, and sleepless nights. In Soco’s recounting, he said that on 14 April 2011, he booked a Cebu-Manila roundtrip ticket on Flight 5J 574 going to Manila on 15 April 2011, and on Flight 5J 553 on 16 April 2011, at 10:10 a.m. for his return flight to Cebu. The local executive said his ticket for the flight was confirmed. For his return flight, he arrived at NAIA Terminal 3 and got in the queue for departing passengers. He showed his ticket to one of the ground crew to get his seat number, according to the particulars of the 13-page court decision dated 20 June 2023. Soco, however, was informed by the ground crew that he could not be accommodated on the flight and when he asked for an explanation when he got to the head of the line, the Cebu Pacific personnel could not provide a definite response. Passengers behind him were “egging him to step aside” so they could continue with the queue, according to the court ruling. The scene turned chaotic and caused Soco humiliation, “and he was allegedly able to capture it on his cellphone camera,” the court said. Due to the rebooking, Soco missed his board meetings as the owner of Mandaue Integrated Manpower Services Inc., Coffee Dream Company, and Powerline Human Resources Management Inc. A Cebu Pacific Air guest service manager was quoted in the court ruling as having confirmed that Soco was not able to board. The reason given was that “the system of the defendant airline showed full capacity and he could no longer be accommodated on the flight.” “In situations like this, the standard policy of the defendant airline is to look for other passengers who are willing to volunteer their seats in lieu of other passengers with confirmed tickets who could no longer be accommodated. Otherwise, the passenger will be offered an option to either take the subsequent flight or be given a refund,” the court said. Civil Aeronautics Board Economic Regulation 7 recognizes the practice of airline companies of overbooking that does not exceed 10 percent of the aircraft’s seating capacity. While overbooking is a globally accepted practice, senators in a recent public hearing said systematic delays and cancellations are unacceptable, as well as the lack of appropriate mitigation services and crisis management personnel from the airlines who are supposed to handle complaints. What passengers get for their tribulation is more suffering from the complicated rebooking or refund procedure. The height of insensitivity of airlines is making customers talk to chatbots instead of customer service representatives to make their complaints. They can spend for robots but inconvenienced passengers are given chips and bottled water. The post End callous practice appeared first on Daily Tribune......»»
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