Cancer - Crossword

Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
1   2                  
                 
                 
3          4           
                 
     5              
6     7                
                 
                 
8           9          
                 
         10          
    11               
           12    13      
         14          
                 
        15           
                 
     16              
                 
                 
       17