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Table 2 Results of ultrasonography of sheep in group 2 (sheep remaining on their farms of origin and re-scanned at various intervals). The approximate depth of the hypoechoic area (mm) was estimated from videos of the ultrasonographs. Results are shown only for the side of the lungs with the more advanced lesions

From: Development of superficial lung lesions monitored on farm by serial ultrasonographic examination in sheep with lesions confirmed as ovine pulmonary adenocarcinoma at necropsy

Sheep Time from first scan (weeks)
ID No. 0 8 12 16 24 30 40
13011 2     2 40 60
6092 30      60  
6217 5    5 60   
13186 2     50   
15976 2 5   60    
5217 3    60    
10445 20    60    
2262 5    30    
4805 30    50    
11171 20   30 30    
7503 10   60     
2799 30 60      
6371 20 40      
8080 3 30      
4143 2 20      
6432 3 20      
  1. In addition, 26 sheep had lesions ≤30 mm at the first scan and no lesion was detected at the subsequent scan 8–40 weeks later