| 
      
        | Pairwise comparison of LVEF (ECHO)  in Group 1 |  
        |  | Mean | SD |  | Mean | SD | p value |  
        | Pre chemo | 66.79 | 3.73 | Post chemo | 63.45 | 3.54 | <0.001 |  
        |  |  | Post RT | 61.64 | 4.26 | <0.001 |  
        |  |  | Follow up | 61.42 | 3.27 | <0.001 |  
        | Post chemo | 63.45 | 3.54 | Post RT | 61.64 | 4.26 | <0.05 |  
        | (Pre RT) |  |  | Follow up | 61.42 | 3.27 | <0.01 |  
        | Post RT | 61.64 | 4.26 | Follow up | 61.42 | 3.27 | >0.05 |  |