Mammographic screening of the health district 38, hospital of Gardone Val Trompia (Brescia - Lombardy). Results of the first 2 rounds

The authors report the results of the first two rounds of a mammographic screening program by the Health District of Gardone Val Trompia (Brescia) including women 50 to 69 years old. 9,650 women were invited for round one and 6,415 (66.5%) attended; 9,656 were invited for round two and 6,552 (67.8%) attended. Fifty-four cancers were found in round one (detection rate: 8.4/1000): 11.1% of them were in situ carcinomas, 63% were T1 and 24.1% were T2 lesions, or higher. In round two, 32 lesions were detected (detection rate: 4.9/1000): 15.6% of them were in situ carcinomas, 78.1% were T1 and 3.2% were T2 lesions. In the positive cases axillary lymph nodes involvement was observed in 24.1% of cases in round one and was unknown in 27.8%, but the figures decreased to 6.2% and 9.4%, respectively, in round two. Effectiveness indicators were always observed.