i have a male friend that has lump under his left nipple.it has not been dentifl as breath cancer. the doctore told him it could be breath cancer or it could just be a cyst . he has had this lump for about a year or longer now. he said he thinks therer is something wrong with his body, he feel like he can not do the same activatide has he use to, that his body been hurting but mostly his legs and hands. also his hand shake and his fingure twitch. this has been happenning for a couple of months.i want to know if this synthems are because of the lump he has on his cheast. i am despertly worry about his health and i would appreciate any information.

THANK YOU