My Husband Has Double Pneumonia,..in The Hospital For 6 Days

my husband has double pneumonia,..in the hospital for 6 days already, started w/ IV Levaquin, then Vanco 'n Ceftriaxone presently, show's no improvement... look worst to me, when i saw him tonight, i was fussing cause i heard them talking about him to discharge tomorrow, doctor ordered an xray, my husband just called a minute ago, that his xray of both lungs look darker than it was when he was admmited on 12 / 17/'16 ... WHY ???