 [ Symptoms ] would i know if i swallowed a construction nail  i had two nails in my mouth as i was hanging something one nail is in the wall and i cant find the other nor do i remember putting it down so would i know if i swallowed it [ Disease ] clubbing is the bulbous enlargement of one or more fingers of the handhands or toetoes of one or both feet due to the proliferation and edema of the connective tissue which result in loss of the normal angle between the nail plate and it is adjacent skin clubbing can both be acquired and familialgenetic there are so many causes of clubbing lung cancer being one of them and not the only cause in your case the clubbing is unilateralinvolves one hand while mostly in lung cancer the clubbing is bilateral also by the time clubbing is evident in moat of the lung cancer patients they have developed all other miserable symptoms of the disease which i hope you do not have unilateral clubbing can occur due to the axillary artery aneurysm or brachial arterio venous malformations so you should probably get these two ruled out first if your clubbing in one hand appeared recently with the other hand being completely fine wishing you the best of health take care and thank you