Doc pls pls help me my dad had a severe pain in right hand nearer to shoulder so after consult our doc we came to know its a single block in heart so we took medicine for that issue for past 4 months. But still he had severe pain in hand in xray doc told us there is a shadowy area in right hand. Our doc he is a radiologist told us its a calcium deficiency so now my dad taking calcium tablets also. He still had the pain. I am really afraid about this. Will it be a any serious disease like cancer? Pls clear my doubt. He is also afraid about this. Pls someone help me.