Thank you so much for your replies,
Im going to speak with my dads gp tomorrow to see what hes opinion is.
Two weeks is a long time to wait for his results, but we here in england have to rely on our NHS, which isnt the quickest in the world, he was told it can take up to four weeks for results to come back, which isnt good as as im sure you can appreaciate and he is very worried (as we all are).
Fingers crossed,
Thank you once again for your input.