Monitoring progress in cancer patient survival is an important task of population-based cancer registration. Period analysis has been shown to provide more up-to-date estimates of cancer patient survival than traditional methods of survival analysis. However, even period estimates may disclose recent improvements in long-term survival with some delay as they are still partly based on the surviv...

BACKGROUND Providing up-to-date estimates of cancer patient survival rates is an important task of cancer registries. A few years ago, a new method of survival analysis, denoted period analysis, was proposed to enhance the recency of long-term survival estimates. The aim of this paper is to provide a comprehensive empirical evaluation of the use of this method. METHODS Using data from the nat...

Good communication in any serious or potentially serious situation is a complex and difficult art, full of paradox. Many of those who are best at it never analyse what they do, let alone write about it. Some think that the subject cannot be taught, being dependent only on personality and experience, perhaps fostered by example. As with leadership, the essence of a good relationship between doct...

background: one of the most important environmental risk factors for kidney cancer is occupational exposure to chemical carcinogens. since the isfahan province is one of the major industrial centers in iran and various chemical industries operating in the province, this study was conducted to determine the association of kidney cancer and occupation. methods: this case-control study was conduct...

background: attempts for early detection of gastric cancer have recently focused on host's genetic susceptibility factors and gene-environment interactions. we have, herein, studied the association of mthfr c677t single nucleotide polymorphism (snp) and its interaction with helicobacter pylori infection, smoking, age and gender on the risk of gastric cancer among an iranian population. met...

colorectal cancer is the most common gastrointestinal cancer and the second leading cause of cancer deaths worldwide. the purpose of this study is to investigate the prevalence of epstein-barr virus in patients with colorectal carcinomas and polyps in comparison with healthy people. in this analytical  case-control study, 15 patients with colorectal cancer and 20 patients with colorectal polyp ...

background: when a couple confronts cancer, there is a major impact on their psychosocial life. marital life and satisfaction with that are important factors in the quality of life of breast cancer patient. the aim of this research was to predict marital satisfaction based on hardiness in women with breast cancer methods: a total of 100 women with breast cancer participated in this study and co...

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