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In a retrospective survey of 301 women aged over 70 with breast cancer the factors affectingfive-year survival are evaluated. The local disease is more advanced when the patient presents with it in old age than in younger women, possibly associated with a lesser degree of awareness or a long history of the primary tumour. It is not associated with a different average rate of tumour growth in ol...

five-year disease-specific survival for the entire cohort was 34%, with a median follow-up of 39 months for survivors. Thirty-four (74%) of 46 patients relapsed, with a median relapse-free survival of 10 months and an overall recurrence rate of 53% at 1 year. The majority of patients developed distant recurrences. No differences were seen in patterns of relapse between patients treated with an ...

Markov chain and nonlinear cubic exponential smoothing model are respectively used to predict China’s energy structure intensity during the 14th Five-Year Plan period. The results show that proportion of coal in China Five-year period will decrease from 56.5% 2020 51.7% 2025. share non-fossil consumption rise 16.1% 19.1% Compared with 2020, three industries by 18%, 13% 18% respectively. Based o...