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BackgroundThe struggle against social inequalities is a priority for many international organizations. The objective of the study was to quantify the cancer burden related to social deprivation by identifying the cancer sites linked to socioeconomic status and measuring the proportion of cases associated with social deprivation.MethodsThe study population comprised 68 967 cases of cancer diagnosed between 1997 and 2009 in Normandy and collected by the local registries. The social environment was assessed at an aggregated level using the European Deprivation Index (EDI). The association between incidence and socioeconomic status was assessed by a Bayesian Poisson model and the excess of cases was calculated with the Population Attributable Fraction (PAF).ResultsFor lung, lips-mouth-pharynx and unknown primary sites, a higher incidence in deprived was observed for both sexes. The same trend was observed in males for bladder, liver, esophagus, larynx, central nervous system and gall-bladder and in females for cervix uteri. The largest part of the incidence associated with deprivation was found for cancer of gall-bladder (30.1%), lips-mouth-pharynx (26.0%), larynx (23.2%) and esophagus (19.6%) in males and for unknown primary sites (18.0%) and lips-mouth-pharynx (12.7%) in females. For prostate cancer and melanoma in males, the sites where incidence increased with affluence, the part associated with affluence was respectively 9.6% and 14.0%.ConclusionsBeyond identifying cancer sites the most associated with social deprivation, this kind of study points to health care policies that could be undertaken to reduce social inequalities.

We found a decreased incidence for tobacco-related cancers and an increased incidence of prostate cancers, skin melanoma and multiple myeloma. Specific subgroups had a higher cancer incidence related to occupational status and pesticide use.

Head and neck cancers have a very poor prognosis and are common in France. They are subject to various recommendations for early detection and management, but there is no detailed data in the French general population to fuel the public health debate on it.A high-resolution population-based study about cancer management was conducted, using cancers registries in the north-west of France, on 1729 tumors diagnosed between 2008 and 2010.The tumors were diagnosed late (70.3% stage III–IV), mainly after the onset of symptoms (93.2%). After adjustment, advanced stages were more frequent in patients with hypopharyngeal [adjusted odds ratio (ORa): 4.68; 95% confidence interval [CI] 3.11–7.05] and oropharyngeal tumors (ORa: 2.84; 95% CI 2.02–3.99) compared with oral cavity ones. They were also more frequent in patients with moderate (ORa 1.68; 95% CI 1.12–2.52) or severe comorbidities (ORa 1.86; 95% CI: 1.23–2.80). A multidisciplinary meeting (MM) had taken place in 96.9% of cases. The assessment included a panendoscopy in 80.3% of cases, a cervical computerized tomography (CT) scan in 89.3% and a chest CT scan in 87.3%. The vast majority of patients (90.7%) had received treatment, with surgery in 48.7% of cases and/or radiotherapy in 76.9%.Despite the recommendations for early detection, diagnoses are often made late, even for tumors that can be detected by a direct visual and tactile examination of the oral cavity. However, the major risk of advanced stage concerns deep tumors and the most weakened subjects. Otherwise, diagnostic assessment is broadly consistent with the recommendations, and multidisciplinary treatment decisions are widespread.

This study aimed to describe cancer incidence (2000-2008) and survival (2000-2004) in France in adolescents and young adults (AYA). All cases of cancer diagnosed in 15-24 years, recorded by all French population-based registries (14% of the French population), over the 2000-2008 period, were included. Incidence change over time was described with the conventional annual percentage change (cAPC). The survival of cases diagnosed (2000-2004) was estimated using Kaplan-Meier method. A total of 1022 in adolescents and 1396 in young adults were diagnosed. Overall incidence rates were 219.4/10(6) in 15-19 year olds and 293.1/10(6) in 20-24 year olds. The most frequently diagnosed cancers in male AYA were malignant gonadal germ-cell tumors and Hodgkin's disease, and were melanoma, thyroid carcinoma, and Hodgkin's disease in females. The age-standardized rates appeared stable over time in AYA, with a cAPC of +2.0% (P = 0.68). The 5-year overall survival for all cancers was different between genders and age groups, with 78.8% (95%CI: 75.6-82.0) for males and 85.2% (95%CI: 82.2-88.1) for females (P = 0.01), and 78.5% (95%CI: 75.0-82.1) in 15-19 year olds and 84.3% (95% CI: 81.6-87.0) in 20-24 year olds (P = 0.02). Noteworthy, the frequency and the distribution of tumor types in AYA are unique and different from the observed at any other age group. Survival in French AYA has improved over time. Epidemiological data might reflect major trends in the risk factors and preventive interventions. Thus, further research into etiology of cancers affecting AYA should become key priorities for cancer control among AYA.

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Our analyses raise the question of a possible link between agricultural activity, especially field-grown vegetables, and greenhouse cultivation and bladder cancer.